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Emil
Membru
Data inscrierii: 30 Aug 2007
Mesaje: 1269
Localitate: Fuerstenfeld
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| Trimis: 08 Mar 2015 14:18 Download mesaj |
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@ Dbird
"Made in Japan" insa inscriptionat pe el sunt "Weit Winkel". In germana inca nu am dat de formularea asta ci de "Weitwinkel"....
Nu acuz insa atrag atentia, stiu ca topicul este vechi, vezi modul in care raspunde atunci cand se pun intrebari....
Numai bine
Emil |
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Dbird
Moderator
Data inscrierii: 06 Noi 2012
Mesaje: 1548
Localitate: Bucuresti
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| Trimis: 08 Mar 2015 16:20 Download mesaj |
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Interventia mea este doar pentru a lamuri unele aspecte posibile si poate utile la achizitionarea unui binoclu si departe de mine sa critic pe cineva. In principiu cu cat ne povestim mai mult "experientele" noastre cu diverse aparate optice, apar probabil mai multe posibilitati in a estima just un echipament. De obicei pana la "pipaire" cum zic eu, micile detalii conteaza enorm. De exemplu nimeni nu a tipat ca la acest binoclu , s-a mai umblat. Si in acest context era foarte interesant de stiut ce anume s-a gasit inauntru sau de ce a fost nevoie de intruziune 
Si aici apare si un efect secundar. Vanzatorii de binocluri cam studiaza cea ce scriem noi, si de multe ori pot actiona in sens invers, facand daca vreti un reverse engineering (ca tot vorbim in limbi germanice) astfel incat sa vanda un fake. Dilema insa ramane, sa spunem totate metodele de "verificare" sau nu. Ii invatam si pe cei de buna credinta si pe cei de rea credinta. Filozofica problema 
Din nefericire cea mai buna verificare este atunci cand ai efectiv in mana obiectul si faci efectiv ceva teste cu el.
Si revenind la oile noastre:
Da, pe multe japoneze din acea vreme se gaseste "vergutete optik" si "weitwinkel" notatii in limba germana. Banui ca este tot un "hoax" al vremii pentru a sugera subversiv oarece legatura cu germania (ceea ce nu era mereu adevarat). Cred ca sunt pur comerciale. La fel ca "Triple tested" tot un fel de "hoax" comercial dar de data asta in engleza. Pe de alta parte "vergütete optik" inseamna multicoated si cel mai probabil el este multicoated si "weit winkel" adica unghi mare care la randul lui exista deci nu este chiar o minciuna.
Asteptam eventuale poze cu detalii si ne lamurim. |
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zoth
Membru
Data inscrierii: 31 Mar 2006
Mesaje: 5506
Motto: decat ceva prost, mai bine nimic bun ...
Localitate: Bucuresti
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| Trimis: 08 Mar 2015 17:20 Download mesaj |
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Acum am vazut si parcurs acest topic si dezbaterea de aici mi se pare extrem de interesanta.
Discutia (mai putin anuntul de vanzare) ar trebui mutata intr-o sectiune de specialitate si cred ca am s-o fac dupa aceasta interventie.
Pana atunci sa-mi exprim si eu opinia: de multe ori am auzit exprimarea "instrumentul X cu optica Carl Zeiss" dar niciodata nu am interpretat-o cum ati facut voi mai sus. Am auzit de binocluri rusesti cu optica Carl Zeiss, de binocluri romanesti si japoneze cu acelasi fel de optica, etc.
Dupa mine si cred ca nu gresesc aceasta exprimare nu vine decat ca o certificare calitativa ca instrumentul in cauza detine o optica de calitate buna, nimic altceva. Interpretarea mot a mot poate duce la confuzii dintre cele mai ciudate si uneori chiar hazlii.
Iata avem in cazul de fata un binoclu japonez fabricat probabil prin anii 70 despre care aflam ca are optica Carl Zeiss. Ce sens are o asemenea afirmatie cand stim ca in Japonia existau la vremea respectiva si fabricanti de sticla optica si fabricanti de componente si instrumente optice?
Ohara a fost fondata in 1935 in Kamata, Tokio si a inceput productia de sticla optica in 1936.
A doua locatie a fost fondata in Sagamihara in 1944 si a inceput productia de sticla in 1945, etc.
Adica dragilor, eu daca vreau sa-mi fac o ciorba ma duc sa-mi cumpar cartofi si patrunjel din Mozambic sau le iau de la mine de la piata?
Fiecare producator de optica foloseste sticla pe care o are in ograda lui si numai in cazuri speciale (sorturi deosebite) apeleaza la alti producatori.
In plus Carl Zeiss nu este un mediator de sticla ci producator de optica si se alimenteaza cu materie prima cum este firesc de la Schott AG.
Ce facem mai departe cu rusii care "folosesc" si ei optica Zeiss, atata timp cat au in curte fabrica Lytkarino care mult amar de ani ne-a alimentat si pe noi (adica pe IOR)?
Afirmatia precum ca IOR a folosit optica Zeiss este eronata. IOR a fabricat lentile pentru Zeiss ce purtau inscriptia Zeiss, adica taman pe dos.
Nu stiu cine a scos expresia asta de instrument X cu optica Zeiss dar a fost istet. Mie unul imi suna similar cu cea care spune ca toate binoclurile de pe piata au prisme fie din BK7 fie din BAK4. In realitate cred ca nici 5% din binoclurile aflate pe piata nu au vazut sticlele astea ci doar echivalentele lor functie de unde au fost fabricate.
Si la antireflex aceeasi pacaleala, acoperirea cu tenta aramie o intalnim la multe binocluri Fujinon, am intalnit-o la unele Kronosuri rusesti dar si la obiectivul lunetei mele de 60mm care a fost fabricat de la zero aici in Romania.
Un indemn nevinovat la putina gandire si la putina logica
Cer senin!
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Van 8x42ED4; AR60 f14; AR80 f15; TS102SD; Vixen NA130 SSWT |
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Dbird
Moderator
Data inscrierii: 06 Noi 2012
Mesaje: 1548
Localitate: Bucuresti
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| Trimis: 09 Mar 2015 00:00 Download mesaj |
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In zona anilor 69 - 73 (nu imi aduc bine aminte) cei de la Zeiss au trimis in Japonia utilaje, tehnologie cat si specialisti din Oberkochen pentru aproduce deja sticla germana in Japonia. Pana in 73 japonezii importau cota parte din sticla germana si produceau sub licenta binocluri Zeiss (aveau inclusiv depunerile din Germania - un albastru inchis cu indigo-violet si celebra virare spre galben). Sticla Zeiss produsa in Japonia folosea alt antireflex autohton (un bleu mai deschis cu mov-violet fara virare).
Japonia a produs enorm de multe binocluri civile din anii 60 pana in anii 90. Ciudat, nu se stie mai nimic de productia lor de binocluri militare. |
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zoth
Membru
Data inscrierii: 31 Mar 2006
Mesaje: 5506
Motto: decat ceva prost, mai bine nimic bun ...
Localitate: Bucuresti
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| Trimis: 10 Mar 2015 21:22 Download mesaj |
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Cred ca trebuie sa fim atenti la anumite aspecte pentru ca altfel exista riscul sa intelegem sau sa interpretam gresit unele lucruri.
Un aspect ar fi legatura foarte stransa (fireasca de altfel) intre Zeiss si producatorul german de sticla optica, Schott AG. Ambele firme au reputatii de referinta insa obiectele lor de activitate sunt diferite, Zeiss este producator de optica iar Schott producator de sticla optica. Asta e cauza pentru care nu sunt de acord cu formularea "sticla Zeiss" si sper sa intelegeti.
La nivel global producatori de sticla optica sunt putini si este firesc ca intre ei sa existe diverse colaborari, vanzari/cumparari de retete sticle, etc. In 1958 firma Ohara, producatorul japonez de sticla optica implementeaza in productie flintul greu cu lanthan (clasa de sticle LASF) iar in 1975 sticla ED FK01. Nu mai trebuie sa spun cu cine au avut japonezii aceste schimburi de experienta dar sigur e ca firma respectiva nu se numea Zeiss Aceste sticle, chiar fabricate dupa retete germane vor deveni de acum sticle japoneze pentru ca sunt produse de alt fabricant si vor fi notate conform codurilor specifice ale acestuia.
Sa ne intoarcem la oile noastre. Nu stiu inainte cum era dar dupa al doilea razboi mondial factorul economic a fost determinant aproape fara exceptie. Daca firma Zeiss (producatoare de optica) a vrut sa fabrice sub licenta o serie de binocluri in Japonia atunci sigur a vrut sa le scoata la un pret mai mic sau cel mult egal cu seria de binocluri construite de ea. Pentru implinirea acestui deziderat nu i-a dat japonezului decat specificatiile tehnice, cele de calitate si ceea ce acestuia ii mai lipsea (poate unele sorturi de sticle, echipamente pentru acoperiri specifice, etc). In niciun caz nu s-a apucat sa exporte in Japonia optica gata facuta, piese mecanice gata prelucrate sau altele pentru ca pretul final al unui binoclu ar fi explodat chiar daca mana de lucru a orezarilor ar fi fost mai ieftina. Cu toate impunerile calitative impuse de Zeiss, noile binocluri fabricate in tara soarelui rasare nu vor mai fi binocluri Zeiss, asta-i clar!
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Van 8x42ED4; AR60 f14; AR80 f15; TS102SD; Vixen NA130 SSWT |
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Dbird
Moderator
Data inscrierii: 06 Noi 2012
Mesaje: 1548
Localitate: Bucuresti
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| Trimis: 13 Mar 2015 22:30 Download mesaj |
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Totusi in zona anilor 69 - 73, cum ziceam, unchiul meu (din partea mamei) care lucra la Zeiss Oberkochen ("Zeiss Oberkochen" ... asa zicea bunica , caci ea tinea legatura prin scrisori cu el, si era tare mandra ...caci pe vremea aia "Zeiss" era un fel de emblema generica a calitatii in toate domeniile) a plecat cu echipe de specialisti si utilaje in Japonia tocmai sa implementeze sticla germana in acesta zona. Unchiul dupa cativa ani s-a casatorit si a ramas acolo. Dupa disparitia bunicii legaturile noastre cu rudele din Germania, Austria si Japonia s-au cam intrerupt.
Deasemenea in timpul celui de al doilea razboi mondial in Japonia s-au fabricat sub licenta binocluri Zeiss (inclusiv sticla adusa din germania), deoarece fabricile germane nu faceau fata cererii.
Ei dar astea sunt povesti trecute.
Azi numim sticla "Zeis" (sau mai bine spus eu numesc asa) ca fiind o sticla de foarte buna calitate (Schott ca sa fim mai exacti) dar care are si o serie de acoperiri deosebite, unice pentru emblema Zeiss. Din punctul meu de vedere asa consider. Sticla in sine simpla (Schott) o gasim la modelele timpurii (chiar militare) fara acele depuneri. Si daca veti privi prin un astfel de binoclu nu o sa va placa chiar asa de mult. Si nu din din cauza definitiei propriu-zise ale lentilelor.
Produsul "Zeis", de acord ca este o combinatie intre niste producatori, scuze nu am vrut sa duc lumea in eroare.
Poate ca e normal , este un fel de reflex din anii trecuti cand expresii de tipul "Este OK" , Este Super OK" etc se generalizau scurt "E Zeiss !" pentru orice lucru de foarte buna calitate din orice domeniu. |
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zoth
Membru
Data inscrierii: 31 Mar 2006
Mesaje: 5506
Motto: decat ceva prost, mai bine nimic bun ...
Localitate: Bucuresti
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| Trimis: 15 Mar 2015 19:40 Download mesaj |
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In principiu nu contest ceea ce spui, in mesajele mele anterioare nu am facut decat sa introduc niste jaloane pentru a ma asigura ca putem vorbi o limba comuna. Acum sa trecem la subiect:
Dupa al doilea razboi mondial si inclusiv in perioada pe care o amintesti Japonia a avut o evolutie ciudata. Daca la capitolul sticla optica a mers pe linia generala a celorlalte state cu unul sau doi producatori mari nationali, la capitolul optica si-a risipit resursele in zeci si zeci de manufacturi optice.
Tin minte ca am vazut pe net o lista cu producatorii japonezi de binocluri (lista intocmita dupa codurile inscriptionate pe aceste instrumente) si m-am ingrozit efectiv. Cred ca la vremea aia la fiecare al doilea colt de strada gaseai o manufactura de optica in Japonia.
In contextul ala putea fi oricand fireasca o legatura intre una, doua sau mai multe astfel de manufacturi si firma germana Zeiss. "Legatura" putand insemna orice: fabricatie sub licenta, transfer de tehnologie, export utilaje, etc. Este greu daca nu imposibil sa mai reconstituim exact evenimentele petrecute. Ma gandesc ca este la fel de posibil ca bunica ta sa nu fi inteles bine sau exact esenta misiunii unchiului tau in Japonia. O astfel de misiune insemna o pregatire riguroasa indiferent despre ce era vorba: cu toate ca purtau stindardul calitatii si afisau rigurozitatea tipic germana (inca valabila la vremea aia) era greu sa sparga traditionalismul japonez si sa impresioneze in asa fel ca totul sa se petreaca fara emotii de la cap la coada.
Si ca sa revenim la binocluri: un produs fabricat sub licenta Zeiss nu va avea niciodata lentile Zeiss adevarate ci lentile facute dupa specificatii Zeiss. Nu cred ca vreunul din binoclurile japoneze fabricate sub licenta sa aiba inscriptionat pe el Zeiss. Poate ma insel ...
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Van 8x42ED4; AR60 f14; AR80 f15; TS102SD; Vixen NA130 SSWT |
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Dbird
Moderator
Data inscrierii: 06 Noi 2012
Mesaje: 1548
Localitate: Bucuresti
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| Trimis: 16 Mar 2015 11:49 Download mesaj |
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Intr-adevar niciodata pe binoclurile japoneze nu va exista marcaj sau referinta la vreun alt producator decat cei autohtoni.
Si da , daca intereseaza pe cineva acesta este lista de producatori japonezi de binocluri civile. Partea de productie militara nu a fost niciodat facuta publica, sau cel putin eu nu am auzit asa ceva. Probabil ca ele se faceau tot cam prin aceste fabrici.
Deci :
Binoculars from Japan are rigidly inspected to make sure that every
component is of top quality and that all mechanisms are in perfect working
order. All optical products that have passed these rigorous standards are
tagged “PASSED” by the Government’s Japan Telescopes Inspection Institute.
The JL mark: Only those binocular and optical manufacturers meeting Japan’s
Government standards of inspection and quality may use the authorized JL
symbol. This symbol accompanied by the letter “E” or “B” and the number of
the respective manufacturer is engraved on the objective-end hinge or on the
cover plate. The letter “E” designating the metalwork manufacturer is
engraved on the right and the letter “B” designating the manufacturer of the
finished product is on the left.
“PASSED” labels. This oval silver paper label marked “JTII” certifies that
binoculars have complied with the export standards of the Japan Telescopes
Inspection Institute. It is usually found on the axle of the binoculars.
The quality of the JB marked products are rechecked by the Institute for
items that are exported. This rigorous Government system insures that only
top quality binoculars are exported from Japan. Know your dealer. Your final
check on a quality pair of binoculars is your faith and reliance in your
dealer. A reputable dealer will stand behind his optical products.
=====================
Below are two lists, one in numeric order and the second in alphabetic
order.
JB 1 Toa Kogaku Co.Ltd., Tokyo
JB 2 Katsuma Kogaku Kikai Co.Ltd.
JB 3 Toei Kogaku Seisakujo Co.Ltd.
JB 4 Toei Kogaku Co. Ltd., Hatogaya-Shi
JB 5 Meiji Seiko Co. Ltd.
JB 6 Asahi Kogaku Kogyo Co. Ltd., Tokyo.
JB 7 Nippon Kogaku Kogyo Co. Ltd.
JB 8 Fuji Sbashin Koki Co. Ltd.
JB 9 Sato Kogaku Kogyo Co. Ltd.
JB 10 Toko Seiki Co. Ltd.
JB 11 Omiya Kogaku Kikai Seisalcujo, Tokyo
JB 12 Orora Kogaku Co. Ltd. - Aurora Kogaku Co. Ltd.
JB 14 Ueta Seiki Co. Ltd.
JB 15 Tokyo Oputikaru Co. Ltd.- Tokyo Optical Co. Ltd.
JB 16 Sankei Koki Seisakujo Inc.
JB 17 Otake Kogaku Kogyo Co. Ltd., Tokyo
JB 18 Tokyo Kogaku Kikai Co. Ltd.
JB 19 FujiKogeisha Co. Ltd.
JB 20 Mitsui Koki Seisakujo Co. Ltd.
JB 21 Kokisha Co. Ltd., Tokyo
JB 22 Itabashi Kogaku Kikai Seisakujo Inc.,Tokyo
JB 23 Ishii Kogaku Co. Ltd.,Yokohama
JB 24 Ichikawa Kogaku Kogyo Co. Ltd.,Tokyo
JB 25 Zuiho Kogaku Seiki Co. Ltd., Tokyo
JB 26 Futaba Kogaku Kogyo Co. Ltd.
JB 27 Sanyo Koki Co. Ltd.
JB 28 Fuji Seinñtsukiki Seisakujo. Inc.
JB 29 Meikosha Inc.
JB 30 Kofu Kogaku Kogyo Co. Ltd.
JB 31 Muraki Koko Co. Ltd.
JB 32 Miyako Seiki Co. Ltd.
JB 33 Teito Koki Co. Ltd.
JB 34 Musashi Kogaku Co. Ltd.
JB 35 Raito Koki Seisakujo Co. Ltd. - Lite Koki Seisakujo Co. Ltd.
JB 36 Jiyama Seiko Co.
JB 37 Yoshinon Kogaku Kikai Co. Ltd.
JB 38 Nakabishi Kogaku Inc.
JB 39 Josei Koki Inc.
JB 40 Mutsu Koki Inc.
JB 41 Shinsei Kogaku Seiki Co. Ltd.
JB 42 Nippon Garasu Kogyo Co. Ltd. Takinokawa Syuchojo
JB 43 Tozaki Kogaku Kogyo Co. Ltd.
JB 44 likura Kogaku Seisakujo Inc.
JB 45 Taisei Kogaku Kogyo Co; Ltd.
JB 45 Tamron Co., Ltd., Tokyo
JB 46 Otsuka Kogaku Co. Ltd., Tokyo
JB 47 Tokuhiro Koki Seisakusho Inc., Tokyo
JB 48 Kazusa Koki Seisakujo Inc.
JB 49 Sankyo Kogaku Kogyo Co. Ltd.
JB 50 Tanaka Koki Seisakujo. Inc.
JB 51 Yoshimoto Kogaku Co. Ltd.
JB 52 Kanto Kogaku Kogyo Co. Ltd.
JB 53 Inoue Koki Seisakujo Inc.
JB 54 Suzuki Kogaku Seiki Co. Ltd.
JB 55 Enshu Kogaku Seiki Co. Ltd.,Tokyo.
JB 56 Hiyoshi Kogaku Co. Ltd.
JB 57 Oji Kogaku Kikai Co. Ltd.
JB 58 Ryuko Seisakujo
JB 59 Mitsui Kogaku Seisakujo
JB 60 Akebono Optical, Tokyo
JB 60 Wakaba Koki Seisakujo Inc.
JB 61 Meiho Kogaku Seisakujo Inc.
JB 62 Oshiro Kogaku Co. Ltd.
JB 63 Ofuna Kogaku Kogyo Co. Ltd.
JB 64 Kobayashi Kogaku Scisakitjo. Inc.
JB 65
JB 66
JB 67 Esaka Kogaku
JB 68 Sono Kogaku Kikai Co. Ltd.
JB 69 Akebono Kogaku Kogyo Co
JB 70 Sugamo Kogaku Seisakujo
JB 71 Toho Koki Co. Ltd., Tokyo
JB 72 Rubina Koki Co. Ltd.
JB 73 Tsuchida Kogaku Seisakujo.
JB 74 Omori Sogo Kogaku Kogyo
JB 75 Seki Kogaku Kikai Co. Ltd.
JB 76 Izumi Seiki Seisakujo. Inc.
JB 77 Koronbia Kogaku Co. Ltd. – Columbia Kogaku Co.
JB 78 Kuribayashi Kogaku Seisakujo
JB 79 Furukawa Kogaku Seisakujo
JB 80 Sansei Kogaku Kogyo Co. Ltd
JB 81 Copitar Co. Ltd., Tokyo
JB 81 Takahisa Kogaku Kogyo Co. Ltd.
JB 82 Sanwa Kogaku Co. Ltd., Tokyo
JB 83 Nakamura Kogaku Kogyo Seisakujo Inc.
JB 84 Oei Kogaku Co. Ltd.
JB 85 Kawashima Kogaku Seisakujo
JB 86 Niigaki Kogaku Seiki Seisakujo
JB 87 Yachiyo Kogaku Co. Ltd
JB 88 Kofuku Sangyo Co. Ltd. Kowa Koki Seisakujo
JB 89 Sekiguchi Kogaku Seisakujo. Inc., Tokyo
JB 90 Someno Koki Seisakujo
JB 92 Hayashi Kokisha
JB 93 Seiwa Kogaku Co. Ltd., Tokyo
JB 94 Ibuki Kogaku Co. Ltd.
JB 96 Fuji Koki Seisakujo Inc.
JB 96 Nikkei Optical Co., Ltd., Tokyo
JB 97 Soneda Kogaku Kenkyujo Inc.
JB 98 Seiwa Seiki Seisakujo Inc.
JB 99 Tokushu Kogaku Seisakujo Co Ltd.
JB 100 Nippon Koki Co. Ltd.
JB 101 Hifumi Kogaku Kikai Co. Ltd.
JB 102 Hoya Kogaku Co. Ltd.
JB 103 Teihoku Kogaku Kogyo Co. Ltd., Tokyo (Tohoku)
JB 104 Kyanon Kamara Co. Ltd. - Canon Camera Co. Ltd.
JB 105 Toyoshima Kogaku Kogyo Co. Ltd
JB 106 Sanko Kogaku Seisakujo Inc.
JB 107 Jyonan Kogaku Kikai Seisakujo. Inc.
JB 108 Kenkosha Inc.
JB 109 Chiyoda Kogaku Seiko Co. Ltd.
JB 110 Taiyo Kogaku Seisakujo Inc.
JB 110 Tsukuba Kogaku Co. Ltd.
JB 111 Tosco Co., Ltd., Tokyo
JB 112 Keizan Kogaku Co. Ltd.
JB 113 Ito Kogaku Kikai Seisakujo. Inc.
JB 114 Arai Kogaku
JB 114 Hoya Optical Co.,Ltd.,Tokyo
JB 115 Kanagawa Kogaku Kogyo Co. Ltd, Kamakura-Shi
JB 116 Hattori Koki Seisakujo
JB 116 Nichiryo Co., Ltd., Tokyo
JB 117 Nikken Kogaku
JB 118 Yoshikawa Koki Co. Ltd.
JB 119 Nisshin Kogaku Kogyo Co. Ltd., Tokyo
JB 120 Noppon Koki
JB 121 Oizumi Kogaku Kogyo Co. Ltd.
JB 122 Imai Kogaku Seisakujo
JB 123 Kansai Kogaku Seisakujo
JB 124 Oda Kogaku Seiki Co. Ltd.
JB 125 Inoue Kogaku Kogyo Co. Ltd.
JB 126 Yabe Kogaku Kiki Seisakujo Co. Ltd.
JB 127 Koei Seiki Co. Ltd., Tokyo
JB 128 Taishin Kogyo Co. Ltd.
JB 129 Narimasu Koki Seisakujo
JB 130 KomiyaKogakuSangyo Co. Ltd.
JB 131 Yamanoi Kogaku Co Ltd
JB 132 Taiei Kogaku Co. Ltd.
JB 133 Kamakura Koki Co. Ltd., Warabi-Shi
JB 134 Kozan Kogaku Seisakujo Co. Ltd.
JB 135 Eikosha Sagyojo Co. Ltd.
JB 136 Araki Kogaku Seiki Seisakujo
JB 137 Katsuno Koki Seisakujo
JB 138 The Oriental Trading Co., Ltd., Tokyo
JB 138 Toyo Jitsugyo Co. Ltd.
JB 139 Busho Kogaku Seisakujo. Inc. (Bushu), Saitama.
JB 140 Toyo Kogaku Kogyo Co Ltd
JB 141 Tonan Kogaku Co. Ltd., Tokyo
JB 142 Subaru Kogaku Kikai Co. Ltd.
JB 143 Nagashima Kogaku Co. Ltd.
JB 144 Tokuei Seiki Kogyojo Co. Ltd.
JB 145 Kimura Kogaku Seisakujo
JB 146 Warabi Kokisha
JB 147 Sankaku Kogaku Kogyo Co. Ltd.
JB 148 Misuzu Kogaku Kogyo Co. Ltd
JB 149 Urawa Kogaku Seiki Seisakujo Co. Ltd.
JB 150 Kuramochi Kogyo Co. Ltd.
JB 151 Daito Kogaku Kogyo Co. Ltd.
JB 152 Taito Kogaku Co. Ltd.
JB 153 Kitano Koki Seisakujo Co. Ltd.
JB 154 Sanei Kagaku Kenkyojo
JB 155 Ichihara Kogaku Renzu Seisakujo
JB 156 Nippon Sogan Co. Ltd.
JB 157 Kuroki Kogaku Kogyo Co. Ltd.
JB 158 Towa Koeki Co. Ltd.
JB 159 Myoko Kogaku
JB 160 Myoko Kogaku
JB 161 Hakko Seiki Co. Ltd.
JB 162 Akebono Kogaku Seiki Seisakuju
JB 163 Tokyo Koki Seisakujo
JB 164 Toyoshima Koki Seisakujo
JB 165 Yabuki Kogaku Kogyo Co. Ltd.
JB 166 Komiya Kogaku Kenkyuio
JB 167 Ikkosha
JB 168 Hirabayashi Kogaku Seisakujo
JB 169 Ota Kogaku Kogyo Co. Ltd.
JB 170 Koseiki Seisakujo. Inc.
JB 171 Noguchi Kogaku Kogyo Co. Ltd.
JB 172 ShowaKokiSeizoCo. Ltd.
JB 173 OkayaKogakuKikai Co. Ltd.
JB 174 Chitose Kogaku Co. Ltd.
JB 175 Toyo Kogaku Kenkxuio.
JB 176 Sanyo Koki Co., Ltd., Tokyo
JB 176 Toyo Koki Kogyo Co.
JB 177 Keihin Seiko Co. Ltd.
JB 178 Shinyo Koki Seisakujo
JB 179 Otaki Kogaku Seiki Seisakujo
JB 180 Tsukumo Seisakujo
JB 181 Yamagami Kogaku Seisakujo
JB 182 Yarnato Koki Seisakujo
JB 183 Izumi Kogaku Co. Ltd.
JB 184 Akatsuki Kogaku Kogyo Co. Ltd.
JB 185 Fuji Kogaku Co. Ltd.
JB 186 Nikko Seisakujo Co. Ltd.
JB 187 Kurumada Kogaku Kogyojo
JB 188 Daiichi Seiko Co. Ltd.
JB 189 Sawama Kogaku Seisakujo
JB 190 Nitto Koki Co. Ltd.
JB 191 Seiwa Optical Co., Ltd., Wako-Shi
JB 191 Yoko Sangyo Co. Ltd
JB 192 Hoja Koki Seisakujo. Inc.
JB 193 Atorasu Koki Seisakujo Inc. (Atlas Koki Seisakujo)
JB 194 Miyagaki Kogakusha
JB 195 Kawashima Seisakujo
JB 196 Kokoku Seiki Seisakujo Co Ltd.
JB 197 Sankyo Kogaku Co. Ltd.
JB 198 Tenwa Seiki Kogyo Co. Ltd.
JB 199 Keihoku Kogaku
JB 200 Nansei Koki Seisakujo. Inc.
JB 201 Takeuchi Shokai Seisakujo
JB 202 Jyohoku Kogaku Kogyo Kyodo Kumiai Sogankyo Chosei Daiichi Jigyojo
JB 203 Fujita Kogaku Kogyo Co. I.td.
JB 204 Chuo Koki Seisakujo
JB 205 Ileiwa Koki Co. Ltd.
JB 206 Fujita Koki Seisakuio. Inc.,Tokyo.
JB 207 Aporon Koki Seisakujo
JB 207 Hitachi Optical Co., Ltd., Tokyo
JB 207 Hiyoshi Optical Co.,Ltd.,Tokyo
JB 208 Katon Kogaku Seisakujo Inc. (Carton Kogaku Seisakujo)
JB 209
JB 210 Oishi Kogaku Kogyosho. Inc.
JB 211 Toho Seiki Co. Ltd.
JB 212 Sanwa Seiki Co. Ltd.
JB 213 Daito Kikai Seisakujo Co. Ltd.
JB 214 Miyama Kogaku Co. Ltd.
JB 215 Jyosei Koki Seisakujo
JB 216 Noguchi Koki Seisakujo
JB 217 Kawashima Seisakujo
JB 219 Tokoki
JB 220 Ato Kogaku Co. Ltd. - Art Kogaku Co. Ltd.
JB 221 Akabori Kogaku Kikai Seisakujo
JB 222 Kanda Koki
JB 223 Zaika Co. Ltd.
JB 224 Ikko Seiki
JB 225 Fuji Kogaku Kenkyujo
JB 226 Otake Kogaku Kogyo Co. Ltd.
JB 227 Jya Seikosha
JB 228 Kanagawa Kogaku Kogyo Co. Ltd.
JB 229 Kanto Seimitsu Sogankyo Chosei Gijutsu Kyodo Kumiai
JB 230 Higashi Nippon Kogaku Kikai Kyodo Kumiai
JB 230 Palus Optical, Tokyo
JB 231 Hiroyuki Tochihara
JB 231 Tochihara Optical Co., Ltd., Tokyo
JB 232 Akira Ishii
JB 233 Shuzaburo Ishikawa (Ishikawa Optical Ind.),Tokyo
JB 234 Yoshitada Matsumaru
JB 235 Takeo Saito
JB 236 Shuzaburo Wakabayashi
JB 237 Motooka Yoshikimi?
JB 238 Toshio Maruyama
JB 239 Ogoshi (?)
JB 240 Teiji Hirose
JB 241 Kazuo Tsuchihashi
JB 242 Tornoaki Ogawa
JB 243 Suwa Koki Co. Ltd.
JB 244 Tosei Kogaku
JB 248 Opal Optical, Tokyo
JB 250 Fujimori Optical Co., Ltd., Tokyo
JB 251 Toho Optical Mfg. Co., Ltd., Tokyo
JB 256 Shinsei Optical Co., Ltd., Tokyo
JB 257 Kyoshi Optical Co. Ltd., Tokyo
JB 272 Atsugi Optical, Tokyo.
JB 274 Kohiyama Seisakusho, Tokyo
JB 277 Orient Co., Saitama
JB 345 Kobayashi Co., Ltd., Kyoto
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JB65
JB66
JB209
JB221 Akabori Kogaku Kikai Seisakujo
JB184 Akatsuki Kogaku Kogyo Co. Ltd.
JB69 Akebono Kogaku Kogyo Co
JB162 Akebono Kogaku Seiki Seisakuju
JB60 Akebono Optical, Tokyo
JB232 Akira Ishii
JB207 Aporon Koki Seisakujo
JB114 Arai Kogaku
JB136 Araki Kogaku Seiki Seisakujo
JB6 Asahi Kogaku Kogyo Co. Ltd., Tokyo.
JB220 Ato Kogaku Co. Ltd. - Art Kogaku Co. Ltd.
JB193 Atorasu Koki Seisakujo Inc. (Atlas Koki Seisakujo)
JB272 Atsugi Optical, Tokyo.
JB139 Busho Kogaku Seisakujo. Inc. (Bushu), Saitama.
JB174 Chitose Kogaku Co. Ltd.
JB109 Chiyoda Kogaku Seiko Co. Ltd.
JB204 Chuo Koki Seisakujo
JB81 Copitar Co. Ltd., Tokyo
JB188 Daiichi Seiko Co. Ltd.
JB213 Daito Kikai Seisakujo Co. Ltd.
JB151 Daito Kogaku Kogyo Co. Ltd.
JB135 Eikosha Sagyojo Co. Ltd.
JB55 Enshu Kogaku Seiki Co. Ltd.,Tokyo.
JB67 Esaka Kogaku
JB185 Fuji Kogaku Co. Ltd.
JB225 Fuji Kogaku Kenkyujo
JB96 Fuji Koki Seisakujo Inc.
JB8 Fuji Sbashin Koki Co. Ltd.
JB28 Fuji Seinñtsukiki Seisakujo. Inc.
JB19 FujiKogeisha Co. Ltd.
JB250 Fujimori Optical Co., Ltd., Tokyo
JB203 Fujita Kogaku Kogyo Co. I.td.
JB206 Fujita Koki Seisakuio. Inc.,Tokyo.
JB79 Furukawa Kogaku Seisakujo
JB26 Futaba Kogaku Kogyo Co. Ltd.
JB161 Hakko Seiki Co. Ltd.
JB116 Hattori Koki Seisakujo
JB92 Hayashi Kokisha
JB101 Hifumi Kogaku Kikai Co. Ltd.
JB230 Higashi Nippon Kogaku Kikai Kyodo Kumiai
JB168 Hirabayashi Kogaku Seisakujo
JB231 Hiroyuki Tochihara
JB207 Hitachi Optical Co., Ltd., Tokyo
JB56 Hiyoshi Kogaku Co. Ltd.
JB207 Hiyoshi Optical Co.,Ltd.,Tokyo
JB192 Hoja Koki Seisakujo. Inc.
JB102 Hoya Kogaku Co. Ltd.
JB114 Hoya Optical Co.,Ltd.,Tokyo
JB94 Ibuki Kogaku Co. Ltd.
JB155 Ichihara Kogaku Renzu Seisakujo
JB24 Ichikawa Kogaku Kogyo Co. Ltd.,Tokyo
JB224 Ikko Seiki
JB167 Ikkosha
JB205 Ileiwa Koki Co. Ltd.
JB122 Imai Kogaku Seisakujo
JB125 Inoue Kogaku Kogyo Co. Ltd.
JB53 Inoue Koki Seisakujo Inc.
JB23 Ishii Kogaku Co. Ltd.,Yokohama
JB22 Itabashi Kogaku Kikai Seisakujo Inc.,Tokyo
JB113 Ito Kogaku Kikai Seisakujo. Inc.
JB183 Izumi Kogaku Co. Ltd.
JB76 Izumi Seiki Seisakujo. Inc.
JB36 Jiyama Seiko Co.
JB39 Josei Koki Inc.
JB227 Jya Seikosha
JB202 Jyohoku Kogaku Kogyo Kyodo Kumiai Sogankyo Chosei Daiichi Jigyojo
JB107 Jyonan Kogaku Kikai Seisakujo. Inc.
JB215 Jyosei Koki Seisakujo
JB133 Kamakura Koki Co. Ltd., Warabi-Shi
JB115 Kanagawa Kogaku Kogyo Co. Ltd, Kamakura-Shi
JB228 Kanagawa Kogaku Kogyo Co. Ltd.
JB222 Kanda Koki
JB123 Kansai Kogaku Seisakujo
JB52 Kanto Kogaku Kogyo Co. Ltd.
JB229 Kanto Seimitsu Sogankyo Chosei Gijutsu Kyodo Kumiai
JB208 Katon Kogaku Seisakujo Inc. (Carton Kogaku Seisakujo)
JB2 Katsuma Kogaku Kikai Co.Ltd.
JB137 Katsuno Koki Seisakujo
JB85 Kawashima Kogaku Seisakujo
JB195 Kawashima Seisakujo
JB217 Kawashima Seisakujo
JB241 Kazuo Tsuchihashi
JB48 Kazusa Koki Seisakujo Inc.
JB177 Keihin Seiko Co. Ltd.
JB199 Keihoku Kogaku
JB112 Keizan Kogaku Co. Ltd.
JB108 Kenkosha Inc.
JB145 Kimura Kogaku Seisakujo
JB153 Kitano Koki Seisakujo Co. Ltd.
JB345 Kobayashi Co., Ltd., Kyoto
JB64 Kobayashi Kogaku Scisakitjo. Inc.
JB127 Koei Seiki Co. Ltd., Tokyo
JB30 Kofu Kogaku Kogyo Co. Ltd.
JB88 Kofuku Sangyo Co. Ltd. Kowa Koki Seisakujo
JB274 Kohiyama Seisakusho, Tokyo
JB21 Kokisha Co. Ltd., Tokyo
JB196 Kokoku Seiki Seisakujo Co Ltd.
JB166 Komiya Kogaku Kenkyuio
JB130 KomiyaKogakuSangyo Co. Ltd.
JB77 Koronbia Kogaku Co. Ltd. – Columbia Kogaku Co.
JB170 Koseiki Seisakujo. Inc.
JB134 Kozan Kogaku Seisakujo Co. Ltd.
JB150 Kuramochi Kogyo Co. Ltd.
JB78 Kuribayashi Kogaku Seisakujo
JB157 Kuroki Kogaku Kogyo Co. Ltd.
JB187 Kurumada Kogaku Kogyojo
JB104 Kyanon Kamara Co. Ltd. - Canon Camera Co. Ltd.
JB257 Kyoshi Optical Co. Ltd., Tokyo
JB44 likura Kogaku Seisakujo Inc.
JB61 Meiho Kogaku Seisakujo Inc.
JB5 Meiji Seiko Co. Ltd.
JB29 Meikosha Inc.
JB148 Misuzu Kogaku Kogyo Co. Ltd
JB59 Mitsui Kogaku Seisakujo
JB20 Mitsui Koki Seisakujo Co. Ltd.
JB194 Miyagaki Kogakusha
JB32 Miyako Seiki Co. Ltd.
JB214 Miyama Kogaku Co. Ltd.
JB237 Motooka Yoshikimi?
JB31 Muraki Koko Co. Ltd.
JB34 Musashi Kogaku Co. Ltd.
JB40 Mutsu Koki Inc.
JB159 Myoko Kogaku
JB160 Myoko Kogaku
JB143 Nagashima Kogaku Co. Ltd.
JB38 Nakabishi Kogaku Inc.
JB83 Nakamura Kogaku Kogyo Seisakujo Inc.
JB200 Nansei Koki Seisakujo. Inc.
JB129 Narimasu Koki Seisakujo
JB116 Nichiryo Co., Ltd., Tokyo
JB86 Niigaki Kogaku Seiki Seisakujo
JB96 Nikkei Optical Co., Ltd., Tokyo
JB117 Nikken Kogaku
JB186 Nikko Seisakujo Co. Ltd.
JB42 Nippon Garasu Kogyo Co. Ltd. Takinokawa Syuchojo
JB7 Nippon Kogaku Kogyo Co. Ltd.
JB100 Nippon Koki Co. Ltd.
JB156 Nippon Sogan Co. Ltd.
JB119 Nisshin Kogaku Kogyo Co. Ltd., Tokyo
JB190 Nitto Koki Co. Ltd.
JB171 Noguchi Kogaku Kogyo Co. Ltd.
JB216 Noguchi Koki Seisakujo
JB120 Noppon Koki
JB124 Oda Kogaku Seiki Co. Ltd.
JB84 Oei Kogaku Co. Ltd.
JB63 Ofuna Kogaku Kogyo Co. Ltd.
JB239 Ogoshi (?)
JB210 Oishi Kogaku Kogyosho. Inc.
JB121 Oizumi Kogaku Kogyo Co. Ltd.
JB57 Oji Kogaku Kikai Co. Ltd.
JB173 OkayaKogakuKikai Co. Ltd.
JB11 Omiya Kogaku Kikai Seisalcujo, Tokyo
JB74 Omori Sogo Kogaku Kogyo
JB248 Opal Optical, Tokyo
JB277 Orient Co., Saitama
JB12 Orora Kogaku Co. Ltd. - Aurora Kogaku Co. Ltd.
JB62 Oshiro Kogaku Co. Ltd.
JB169 Ota Kogaku Kogyo Co. Ltd.
JB226 Otake Kogaku Kogyo Co. Ltd.
JB17 Otake Kogaku Kogyo Co. Ltd., Tokyo
JB179 Otaki Kogaku Seiki Seisakujo
JB46 Otsuka Kogaku Co. Ltd., Tokyo
JB230 Palus Optical, Tokyo
JB35 Raito Koki Seisakujo Co. Ltd. - Lite Koki Seisakujo Co. Ltd.
JB72 Rubina Koki Co. Ltd.
JB58 Ryuko Seisakujo
JB154 Sanei Kagaku Kenkyojo
JB147 Sankaku Kogaku Kogyo Co. Ltd.
JB16 Sankei Koki Seisakujo Inc.
JB106 Sanko Kogaku Seisakujo Inc.
JB197 Sankyo Kogaku Co. Ltd.
JB49 Sankyo Kogaku Kogyo Co. Ltd.
JB80 Sansei Kogaku Kogyo Co. Ltd
JB82 Sanwa Kogaku Co. Ltd., Tokyo
JB212 Sanwa Seiki Co. Ltd.
JB27 Sanyo Koki Co. Ltd.
JB176 Sanyo Koki Co., Ltd., Tokyo
JB9 Sato Kogaku Kogyo Co. Ltd.
JB189 Sawama Kogaku Seisakujo
JB93 Seiwa Kogaku Co. Ltd., Tokyo
JB191 Seiwa Optical Co., Ltd., Wako-Shi
JB98 Seiwa Seiki Seisakujo Inc.
JB75 Seki Kogaku Kikai Co. Ltd.
JB89 Sekiguchi Kogaku Seisakujo. Inc., Tokyo
JB41 Shinsei Kogaku Seiki Co. Ltd.
JB256 Shinsei Optical Co., Ltd., Tokyo
JB178 Shinyo Koki Seisakujo
JB172 ShowaKokiSeizoCo. Ltd.
JB233 Shuzaburo Ishikawa (Ishikawa Optical Ind.),Tokyo
JB236 Shuzaburo Wakabayashi
JB90 Someno Koki Seisakujo
JB97 Soneda Kogaku Kenkyujo Inc.
JB68 Sono Kogaku Kikai Co. Ltd.
JB142 Subaru Kogaku Kikai Co. Ltd.
JB70 Sugamo Kogaku Seisakujo
JB243 Suwa Koki Co. Ltd.
JB54 Suzuki Kogaku Seiki Co. Ltd.
JB132 Taiei Kogaku Co. Ltd.
JB45 Taisei Kogaku Kogyo Co; Ltd.
JB128 Taishin Kogyo Co. Ltd.
JB152 Taito Kogaku Co. Ltd.
JB110 Taiyo Kogaku Seisakujo Inc.
JB81 Takahisa Kogaku Kogyo Co. Ltd.
JB235 Takeo Saito
JB201 Takeuchi Shokai Seisakujo
JB45 Tamron Co., Ltd., Tokyo
JB50 Tanaka Koki Seisakujo. Inc.
JB103 Teihoku Kogaku Kogyo Co. Ltd., Tokyo (Tohoku)
JB240 Teiji Hirose
JB33 Teito Koki Co. Ltd.
JB198 Tenwa Seiki Kogyo Co. Ltd.
JB138 The Oriental Trading Co., Ltd., Tokyo
JB1 Toa Kogaku Co.Ltd., Tokyo
JB231 Tochihara Optical Co., Ltd., Tokyo
JB4 Toei Kogaku Co. Ltd., Hatogaya-Shi
JB3 Toei Kogaku Seisakujo Co.Ltd.
JB71 Toho Koki Co. Ltd., Tokyo
JB251 Toho Optical Mfg. Co., Ltd., Tokyo
JB211 Toho Seiki Co. Ltd.
JB10 Toko Seiki Co. Ltd.
JB219 Tokoki
JB144 Tokuei Seiki Kogyojo Co. Ltd.
JB47 Tokuhiro Koki Seisakusho Inc., Tokyo
JB99 Tokushu Kogaku Seisakujo Co Ltd.
JB18 Tokyo Kogaku Kikai Co. Ltd.
JB163 Tokyo Koki Seisakujo
JB15 Tokyo Oputikaru Co. Ltd.- Tokyo Optical Co. Ltd.
JB141 Tonan Kogaku Co. Ltd., Tokyo
JB242 Tornoaki Ogawa
JB111 Tosco Co., Ltd., Tokyo
JB244 Tosei Kogaku
JB238 Toshio Maruyama
JB158 Towa Koeki Co. Ltd.
JB138 Toyo Jitsugyo Co. Ltd.
JB175 Toyo Kogaku Kenkxuio.
JB140 Toyo Kogaku Kogyo Co Ltd
JB176 Toyo Koki Kogyo Co.
JB105 Toyoshima Kogaku Kogyo Co. Ltd
JB164 Toyoshima Koki Seisakujo
JB43 Tozaki Kogaku Kogyo Co. Ltd.
JB73 Tsuchida Kogaku Seisakujo.
JB110 Tsukuba Kogaku Co. Ltd.
JB180 Tsukumo Seisakujo
JB14 Ueta Seiki Co. Ltd.
JB149 Urawa Kogaku Seiki Seisakujo Co. Ltd.
JB60 Wakaba Koki Seisakujo Inc.
JB146 Warabi Kokisha
JB126 Yabe Kogaku Kiki Seisakujo Co. Ltd.
JB165 Yabuki Kogaku Kogyo Co. Ltd.
JB87 Yachiyo Kogaku Co. Ltd
JB181 Yamagami Kogaku Seisakujo
JB131 Yamanoi Kogaku Co Ltd
JB182 Yarnato Koki Seisakujo
JB191 Yoko Sangyo Co. Ltd
JB118 Yoshikawa Koki Co. Ltd.
JB51 Yoshimoto Kogaku Co. Ltd.
JB37 Yoshinon Kogaku Kikai Co. Ltd.
JB234 Yoshitada Matsumaru
JB223 Zaika Co. Ltd.
JB25 Zuiho Kogaku Seiki Co. Ltd., Tokyo |
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catalin dumitru
Membru
Data inscrierii: 22 Iul 2010
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Motto: telescopul scuza mijloacele
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| Trimis: 16 Mar 2015 14:45 Download mesaj |
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Mama ce lista ! Ai zice ca dupa razboi toti japonezii au lasat naibii orezul si katanele si s-au apucat de mesterit binocluri.
M-am uitat putin pe acel vechi Tasco ce l-am cumparat acum un an si am gasit scris ''JB 15 Pat.Pend" pe butonul ce face echilibrarea dioptrica la partea stanga. Asta inseamna ca e chiar made in japan ?
Ca pe unul din oculare scrie ''108m auf 1000m" . O fi fost facut pentru germani...
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Hai noapte , hai !! |
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nobody
Membru
Data inscrierii: 02 Apr 2010
Mesaje: 4788
Motto: Never ever give up !
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| Trimis: 16 Mar 2015 17:19 Download mesaj |
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Apropo, daca tot copiezi munca altora, este frumos sa nu stergi referintele: http://home.europa.com/~telscope/jbcode.txt
The history of the telescope & the binocular: http://www.europa.com/~telscope/binotele.htm
Tot pe acolo este un rezumat interesant despre industria optica japoneza. Scuze pentru textul kilometric ce urmaza, dar cred ca este mai relevant decat o lista de producatori care nu spune mai nimic.
Outline of Japanese binocular production. by Peter Abrahams,
Text integral: http://home.europa.com/~telscope/japanbin.txt
| Citat: | In 1873, Matsugoro Asakura traveled to Austria for Japanese government sponsored study of optical manufacturing; returning in 1875 to build a lens making factory, also with government assistance. Matsugoro died before finishing the factory, which was completed in 1876, producing ophthalmic lenses using imported glass. His son, Kametaro Asakura, developed a photographic lens after 1883, exhibiting it in 1890, the first known Japanese made multi element photographic lens (there were earlier singlet objectives).
During the 1894-1895 Sino-Japanese War, Konishiroku Co. imported binoculars from Carl Zeiss: fifty of the 6 power models, fifty 8 power, and five 5 & 10 power ('Admiral Togo' Marineglas) models.
Fujii Brothers were the first binocular manufacturer in Japan, producing their first models in 1911. Ryuzo Fujii graduated from the Tokyo Institute of Technology in mechanical engineering, studied optics in Germany for 3 years; and from 1901-1908 was a naval engineer (Army officer in other sources), then left to open a business with brother Kohzo (or Mitsuzo), a chemist. After renting a dirt floor room in a house, for research work, in 1909 they opened the Fujii Lens Works in Tokyo with German fabrication equipment and Zeiss measuring instruments. Their intent was to produce binoculars, and after two years of development, circa 1911, the first Japanese binocular was produced, the Fujii Brothers Victor 8 x 20. Galilean field glasses might also have been made. WWI brought on difficulties in obtaining the German optical glass used in these early models, but production continued. 6 x 15 and 6 x 20 binoculars were exported to Russia and England. In 1917, Fujii joined with the Tokyo Keiki Seisaku Sho (Tokyo Measuring Instrument Works - metal fabricators), and Iwaki Glass, (also Mitsubishi, who provided investment funds), to form Nippon Kogaku, for the purpose of manufacturing optical munitions.
In 1915, due to the difficulties in importing German optical glass, the Japanese Naval Institute of Technology in Tokyo began to develop optical glass manufacture, also sending students to Germany and England; with the design and production of lenses beginning in 1918. The Institute was destroyed in the 1923 earthquake, and the technical staff joined Nippon Kogaku. The Nikon Corp. web site lists 1918 as the year that optical glass research and production began at Nippon Kogaku. In 1921, the Osaka Industrial Material Testing Laboratory (part of the Ministry of Agriculture and Commerce) began research into the production of optical glass, which at the time was imported from England, France, and Germany.
In 1918, Nippon Kogaku exported over 15,000 prism binoculars (in 18 models) to England, France, America, and Russia. In 1921, eight German scientists & engineers were hired for five years: Max Lang, Hermann Dillmann, Ernst Bernick, Otto Stange, Adolf Sadtler, Karl Weise, Albert Ruppert, and Heinrich Acht (the principal engineer). One of the first tasks for the group was redesigning NK binoculars, resulting in the Luscar & Mikron models of 1921. The Mikron, in 4x and 6x, were very small, weighing only 90 grams for the 6x models. The Orion 6 x 24 and 8 x 26, and the Nova series, appeared in 1923. The German team also assisted in the introduction of photographic lenses. 1948 saw the release of a new Mikron series including a CF model of the Mikron 6 x 15.
During the 1930s, the Japanese Army decided to issue a binocular to all non commissioned officers. Prism binoculars cost 80 Yen, and Nippon Kogaku was asked
to produce a binocular costing 30 Yen. The result was the Imperial Army NCO field binocular type 93, a Galilean with a reticle for estimating distance. Reticles are not used in Galilean binoculars because there is no internal focal plane, but in the NK design, a scale was etched on the inner surface of the objective, and a convex lens was glued to the upper half of the ocular, to focus on the scale. This design is unique among mass produced binoculars and quite effective.
During WWII, Nippon Kogaku had 23,000 employees in 25 factories; but immediately postwar had 900 people & 2 factories. Certain optical glass supplies were imported during WWII from Germany, via submarine.
- In 1919, Asahi Kogaku was established in Tokyo to make ophthalmic lenses, making movie projector lenses by 1923, and photographic lenses by 1929 or 1931. WWII destroyed most of the factory and the company was closed. Asahi Optical Co. was restarted in 1948 to make binoculars for export.
- In 1919, the forerunner of Olympus Optical Co. was established as a microscope manufacturer, Takachiho Seisaku Sho. Photographic lenses were first made in 1936. The Olympus name was adopted in 1949.
- In 1928, the forerunner of Minolta was founded as Nichi-Doku Shashinki Shokai (translated as 'Japan-Germany'). Lens production began in 1937. In 1942, Minolta was commissioned by the Japanese Navy to manufacture optical glass at a plant near Kobe. The first Japanese coated camera lens was a Minolta Rokkor of 1946.
- 1932 saw the merger of factories including an optical plant, to form Hattori Tokei Ten, to manufacture clocks. They made photographic lenses by 1934. At some date, the company became Tokyo Kogaku Kikai, Tokyo Optical, using the Toko mark on binoculars during WWII.
- Canon began as Seiki Kogaku Kenku Sho in 1933, producing cameras by 1935 and lenses by 1939. The Canon name was adopted in 1947.
- Riken Optics, later Ricoh, began making sensitized paper, and was making cameras by 1938.
- In 1934, the Fuji Photo Film Co. was established (not related to Fujii Brothers). In 1938, Fuji began melting and production of optical glass and lenses. During World War II, Fuji made lenses and aerial cameras. Post-war, Fuji produced optical glass and lenses for studio cameras.
Japanese military 'giant' binoculars are quite common a half century after WWII. Production numbers are not known, but diagrams of Japanese Navy vessels show, for example, a cruiser class ship with 13 giant binoculars mounted on the deck. |
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nobody
Membru
Data inscrierii: 02 Apr 2010
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| Trimis: 16 Mar 2015 17:26 Download mesaj |
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Cu scuzele de rigoare, ultima parte:
| Citat: | Kevin Kuhne wrote the chapter, 'Japanese Binoculars', for 'Militaerische Fernglaeser und Fernrohre in Heer, Luftwaffe, und Marine', by Hans Seeger (Hamburg: Seeger, 1996). A summary of this chapter follows:
Toko and Nikko produced the largest number of large military binoculars during WWII. Most eyepieces were variations of the standard 5 element Erfle design, with 60 degree apparent field and low eye relief. The Japanese bought about 200,000 pounds of optical glass from Schott 1939 - 1944. External, eyepiece mounted polarizing and haze filters were usually provided, and gas charging ports are found on all models, some with internal dessicant in a silk bag. The U.S. giant binoculars used during WWII were mostly directly copied from captured Japanese models.
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Models included:
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On 20 February, 1947, the U.S. General McArthur signed the document SCAPIN 1535, which required all export items carry to carry the MIOJ mark for 'Made in Occupied Japan'. (SCAP = Supreme Commaner for the Allied Powers). Post-war control of Japanese exports was held by U.S. military offices until August, 1949. The MIOJ requirement was in force until SCAPIN 2061, 05 December 1949, (another source places this date at the treaty signed on 08 September, 1951, becoming effective 28 April, 1952). After one of these dates, 'Made in Japan' or 'Japan' were used. In 1952, the military occupation of Japan ended.
The 'J-symbols' (JB and JL followed by a number) were used after November of 1959, for about 30 years, to indicate a product approved by the Japan Binoculars Export Promotion Association. These marks, about 2mm in height, are usually next to the bridge, between the objectives. JB, followed by 2 or 3 digits, identifies the maker of the finished binocular, and JE identifies the maker of the metal body. The J shows a horizontal line from the middle of the J, combining L and J to mean Light Machinery of Japan. The common oval paper label 'PASSED JTII' means compliance with the export standards of the Japan Telescopes Inspection Institute.
Tamron company was founded in November of 1950 as Taisei Optical Equipment Manufacturing, in Urawa, producing cameras and binocular lenses commences
Japanese manufacturing and marketing businesses were permitted to deduct from their income taxes 80 percent of their income from exports.
An important part of the history of binocular manufacture in Japan is the highly controlled nature of the business. It is impossible to understand these circumstances without fluency in Japanese. A sketch of the situation is found in a 2 page paper, "History of Binoculars, as outlined in Japan". No author is given, but from the reference to Otsuka Optical, the source can probably be inferred: "From 1955 on, Japan could manage to share 95% of the world market of binoculars. On the other hand, optical instrument manufacturers made their appearance one after another, going in for an excessive business competition. In January 1955, the Japan Export Binocular Industry Association was established and began demand-and-supply adjustment work (controls on the quantity of shipment, sales price and method) to eliminate the excessive competition, thus giving rise to the appearance of an era of cartels. It was in those days that Otsuka Optical was born with an allocated production capacity of 200 binoculars a month. Later, this adjustment work was extended to cover six lines of business, such as trading companies, lenses, molding, barrels, and cases, thus driving Japan's binocular industry into an era of cartels on a full scale."
"For a further solidification of the cartels, the Japan Binocular Export Projects Association was established in August 1960 to engage in substantial buying and selling. In March 1961, however, the substantial buying and selling were called off due to the backlog and dwindling fund. The Association's debts amounted to 500 million Yen. Without any constructive measures taken, the exports were suspended in April 1961, placing the Japanese binocular industry in the worst condition. In an attempt to have access to an allocation, businesses purchased 20% of the backlog and shipped them although they were aware that the dealings would increase their deficits. It is under such circumstances that many businesses went down."
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Dbird
Moderator
Data inscrierii: 06 Noi 2012
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| Trimis: 16 Mar 2015 20:03 Download mesaj |
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Auch! , si eu ca Ponta , dar macar eu am boldat si inclinat citatul dat  si speram ca toata lumea sa creada ca eu le stiu pe de rost din capul meu
Acum fiecare posteaza ce si cum crede de cuviinta. Aceste linkuri cred ca mai sunt postate pe aici caci eu nu mi-am luat decat ceea ce m-a interesat (sigle si denumiri). Eu de fapt sunt asa mai mult un "ochiometrist" , ma uit cu ochii la echipament si nu prea tin cond de pedigree. Nici nu ma omor asa cu masuratorile ci ma multumesc tot cu se vede prin el eventual comparand cu ceva etaloane. Ochiometrie asa se numeste si probabil va mai functiona inca o vreme, pana cand "aparatele de masura" imi vor zice : "Hop , tataie treci pe dresura de elefanti ca pe aia ii vezi!"
Caci ce folos sa iti cada in mana un Zeiss, Svaro sau Japonez, cand vezi ca sticla este ciobita, zgariata iremediabil, sau culmea schimbata.
Multumiri pentru completari. |
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zoth
Membru
Data inscrierii: 31 Mar 2006
Mesaje: 5506
Motto: decat ceva prost, mai bine nimic bun ...
Localitate: Bucuresti
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| Trimis: 17 Mar 2015 20:06 Download mesaj |
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Da, la lista asta faceam referire in postul trecut. E bine ca ai pus-o aici sa o avem la indemana. E foarte bun si materialul pus de nobody. Cu toate ca-l citisem cu timp in urma uitasem complet de el. Ma bucur ca cineva si-a adus aminte.
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Van 8x42ED4; AR60 f14; AR80 f15; TS102SD; Vixen NA130 SSWT |
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Dbird
Moderator
Data inscrierii: 06 Noi 2012
Mesaje: 1548
Localitate: Bucuresti
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| Trimis: 01 Feb 2017 16:01 Download mesaj |
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Doar ca aviz eventualilor colegi doritori de asa ceva, un nou fake actual, din piata noastra :
Fake CZ
Doar un avertisment eventualilor amatori. Nu acuzam vanzatorul , posibil la randul sau sa nu stie.
In speta este un binoclu 100% japonez, sticla BK7, ocular triplet in 2 grupuri, mecanica 100% clasica japoneza. |
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Herr_Alien
Moderator
Data inscrierii: 11 Noi 2010
Mesaje: 1079
Localitate: Brasov
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| Trimis: 01 Feb 2017 17:35 Download mesaj |
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Mda, pozitia suruburilor pe placa dinspre oculare, respectiv santul din rotita focuser-ului indica o origine unde se foloseste mai des 'arigato' decat 'danke'
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Alex
Astronomical Ephemerides |
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Nu puteti crea un subiect nou in acest forum
Nu puteti raspunde in subiectele acestui forum
Nu puteti modifica mesajele proprii din acest forum
Nu puteti sterge mesajele proprii din acest forum
Nu puteti vota in chestionarele din acest forum
Nu puteti atasa fisiere in acest forum
Puteti descarca fisiere in acest forum
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