-----------------------------------

nobody

13 Iul 2010 20:14



-----------------------------------

Niste imagini cred ca explica mai mult decat cuvintele:
http://www.televue.com/images/scopes/TelescopeRayTrace.gif
http://home.comcast.net/~jmmahony1/optics/
http://www.telescope-optics.net/eyepiece1.htm