Which telephoto lens for taking birds?

Started 11 months ago | Discussions thread
Mark B.
Mark B. Forum Pro • Posts: 27,774
Re: Which telephoto lens for taking birds?

adonetok wrote:

How about CANON 400MM F/5.6 L USM EF MOUNT LENS?

Which one will get fast focus at max lenth, 400MM or 100-400MM?

Couldn't say, I've never used the 400.  I would guess they're pretty close since both the Canon 100-400 and 400 f/5.6 L are f/5.6 @ 400mm.  The newer version of the 100-400 may be a little faster than the original, but I have the older one.


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