Question for Canon 500f4 users

Started Jun 18, 2006 | Discussions thread
OP Colin Dunleavy Regular Member • Posts: 212
Re: Question for Canon 500f4 users

just tried more test shots of a dollar bill taped to a tree.

The AF still hunts when in servo mode. The images are noticeably shaper when using single shot.

On the other hand, I did the same test using my 400 f5.6 + 1.4xtc, and the AF locked in without any hunting whatsoever in all modes.
I am begining to think there is a problem with this lens.

I could understand focus hunting in poor light or a far away subject, but this is a tree 17 feet away.
I am using a 20D.
Colin Dunleavy

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