Archived posting to the Leica Users Group, 2007/09/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Frank I only own the LTM Skopar 21mm/4: + it is very compact + It is very sharp - it does slightly vignet even without hood All in all, especially when considering the comparably low price, a very good choice. I would prefer it over the Biogon 4.5 in any case, and go for the 2.8 Biogon only if one stop more speed would really matter (which it does not for that focal length in my case, anyway I consider 2.8 still as slow). MTF charts: I never took care of and can't interpret it. Didier >It appears that there are differences... basically the third element in ( >from each end) is thicker,,,,,, there are most likely more differences. >Didier.. you can read the MTF chaarts which I can not... how do the 2 Zeiss >lenses compare optically? >Frank >>Not the same, but comparable. >>Biogon: >>http://tinyurl.com/267sul >>Skopar 21/4: >>http://tinyurl.com/yrh8pg