09-29-2010, 07:31 PM
[quote name='wim' timestamp='1285718776' post='3336']
IF doesn't necessarily make a lens AF faster. [/quote]
I vividly remember my experience with AFD lenses. 24/2.8 and 135/2.8 (IF design) were faster, sometimes noticeably so, than 35/2, 50/1.8 and 50/1.4 which extend during focusing. So I guess we'll have to agree that we disagree on that.
IF doesn't necessarily make a lens AF faster. [/quote]
I vividly remember my experience with AFD lenses. 24/2.8 and 135/2.8 (IF design) were faster, sometimes noticeably so, than 35/2, 50/1.8 and 50/1.4 which extend during focusing. So I guess we'll have to agree that we disagree on that.