Sony Alpha 1, SEL 200-600 or Canon R5, RF 100-500

Started 4 months ago | Discussions thread
MILC man Senior Member • Posts: 4,744
Re: Sony Alpha 1, SEL 200-600 or Canon R5, RF 100-500

daran wrote:

MILC man wrote:

"I don't have any good measurements on the 200-600 at its MFD. At a "normal" working distance of 8670mm (according to EXIF) I measured an actual focal length of 628mm.

EXIF is probably not sufficiently precise. I measure this myself and came to ca 560mm for such a distance using a ruler to establish distances. I've read multiple accounts of knowledgeable camera nerds having similar results (when focused close).

but does focused close apply to how most people use a 600mm lens? the fe200-600 doesn't have macro capability.

my experience has been that 600mm gets used for subjects that are far away, not close.

on the other hand, fov specs are calculated at infinity focus, and most people don't shoot bif, sports, etc. at infinity focus.

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