Re: Optical Formula of Takumar 500/4.5

2003-10-15 Thread Michel Carre`re-Ge
Maciej Marchlewski a crit: Is the optical formula of Takumar 500/4,5 the same as SMC PENTAX 1:4.5/500? http://digilander.libero.it/aohc/tak05e.htm says 4 elements in 4 groups for Tak and so does I found this diagram (and many others) in the book: The Ultimate Asahi Pentax Screw Mount Guide by

Re: Optical Formula of Takumar 500/4.5

2003-10-15 Thread Maciej Marchlewski
Dnia 15-10-2003 o godz. 8:47 Michel Carre`re-Ge napisa(a): Is the optical formula of Takumar 500/4,5 the same as SMC PENTAX 1:4.5/500? Both lenses share the same diagram ! Thank you very much! Maciej --- Leonardo

Optical Formula of Takumar 500/4.5

2003-10-14 Thread Maciej Marchlewski
Is the optical formula of Takumar 500/4,5 the same as SMC PENTAX 1:4.5/500? http://digilander.libero.it/aohc/tak05e.htm says 4 elements in 4 groups for Tak and so does http://www.bdimitrov.de/kmp/lenses/primes/extreme- tele/K500f4.5.html for K 500. But is the optical design the same? If not,