Then tell me, guys, Why are the medium format optics so much larger for corresponding focal lengths and max apertures?
Jostein On 9/2/06, K.Takeshita <[EMAIL PROTECTED]> wrote: > Adam Maas mykroft at mykroft.com Sat Sep 2 08:49:28 EST 2006 > > >> 400/4 with SSM would be neat. Can't see any good reason to make it > >> DFA, though. DA will make it smaller, cheaper and just as good. > >> > >> > >> Jostein > >> > > > Actually, the size constraints on a 400 are all in the glass diameter > > (for a given aperture), format is essentially irrelevant to this, at > > least until you start talking LF, so there's zero reason to make it a DA > > lens since it will be the same size anyways. > > Exactly. After certain size (say 200mm or so), there is no reason to make > it a DA. > Still some hope for FF wishers :-). > > Cheers, > > Ken > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
