01-17-2020, 02:27 PM
(01-17-2020, 01:43 PM)JJ_SO Wrote: It's not about the optical quality in general, Dave, but first Nikon said "it is a parfocal lens" and only days later they say the opposite. Mind you, the Zeiss 70-200 T2.9 as tested by Roger Cigala IS a parfocal lens and COSTs roughly 7× more.
Well, we all make mistakes .... perhaps they were mixing it with focus breathing?
Personally, I would say that focus breathing is more of a restriction to imaging than whether a lens is parfocal or not ...... at least to still shooters.