Archived posting to the Leica Users Group, 1998/01/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]<< Leitz made a very good explanation of why curvature is not a problem and in fact may be usefull in their explanation of the 400 f6.8 Telyt when it was introduced. They explained that the edges actually focus closer than the center, thus allowing the foreground of a picture to be in focus when it may not have been if the field were flatter. >> This is an excuse - not a reason. They would have made it flat if they could have, keeping all other aspects the same. Tom Shea