----------------------------------- metalgibson 04 Sep 2021 17:07 obiective achromatice pentru constructia unui refractor ----------------------------------- Citind cloudynight am observat ca altii procura lentile de pe aliexpress ,lentile achromatice. iar unele lentile au recenzii bune si multe. se vind obiective de la D 50 ,60,70,80,100,130,154,220,300,460. deja dupa buzunar, preturile sunt accesibile pina la D154 . Dar sa ai un refractor cu o lentila de 154cm asta-i grandios pentru noi . mi-a atras atentia urmatoarele diametre D131/F1200 (130$ )si D154/F750 -F1200 (181$-254$) voi ce parere aveti , merita de incercat asa obiective, procurate de la Chinezi? de exemplu un Bresser AR152 D152/F750-F1200 costa 600euro in Germania. mai jos atasez linkurile a doua lentile pe baza carora as dori sa-mi construiesc un refractor: D154cm https://www.aliexpress.com/item/4001211384532.html?spm=a2g0o.cart.0.0.55053c00JDlRPy&mp=1 https://www.aliexpress.com/item/4000433752693.html?spm=a2g0o.cart.0.0.55053c00JDlRPy&mp=1 https://www.aliexpress.com/item/1005003091855199.html?spm=a2g0o.cart.0.0.55053c00JDlRPy&mp=1 D131cm https://www.aliexpress.com/item/4000669928346.html?spm=a2g0o.cart.0.0.55053c00JDlRPy&mp=1 diverse diametre https://www.aliexpress.com/wholesale?trafficChannel=main&d=y&CatId=0&SearchText=achromatic+objective+lens<ype=wholesale&SortType=total_tranpro_desc&groupsort=1&page=1 pentru cei care vor tunuri 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https://www.aliexpress.com/item/4001201073580.html?spm=a2g0o.detail.1000014.21.7afd5341Z1Twyi&gps-id=pcDetailBottomMoreOtherSeller&scm=1007.33416.213724.0&scm_id=1007.33416.213724.0&scm-url=1007.33416.213724.0&pvid=1b3ec965-f6a7-47f2-be12-2c94231ec444&_t=gps-id%3ApcDetailBottomMoreOtherSeller%2Cscm-url%3A1007.33416.213724.0%2Cpvid%3A1b3ec965-f6a7-47f2-be12-2c94231ec444%2Ctpp_buckets%3A668%230%23207359%233_668%23888%233325%233_23416%230%23213724%230_23416%236336%2330493%239_23416%234721%2321967%23658_23416%234722%2321972%239_668%232846%238108%231977_668%235811%2327185%2366_668%236421%2330822%23133_668%232717%237560%23211_668%231000022185%231000066059%230_668%236808%2332768%2362_668%233422%2315392%23278_4452%230%23226710%230_4452%233474%2316498%23561_4452%234862%2324463%23129_4452%233098%239599%23386_4452%235108%2323442%23623_4452%233564%2316062%2347&&pdp_ext_f=%7B%22sceneId%22%3A%2223416%22%2C%22sku_id%22%3A%2210000015282958728%22%7D&fbclid=IwAR0JBOFQBxpzEYXHGqAAOM2jmDb8WLtWkutRZHuZ5ZpUVQvLCRFOM2l5vJA 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