Archived posting to the Leica Users Group, 1998/02/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]<< Both, front and rear lens, are concave. The lens (nr 5) with the asph surface is also a concave lens. >> Alf - Now you have me confused - as a lens with a double concave lens (front & rear) )||||( is something that I can't remember ever having seen. By definition, I think of concave female ie: cavity, cave and convex male ie: outside of an egg (testes). I don't have one here to check but are you sure that they mean ---> )||( front & rear. Alf - we will have to ask the expert - Erwin Puts. Marvin