On Tue, 17 Jul 2001 13:57:11 -0700 (PDT), you wrote:
snip
>could you not set the body to single AF, and use the
>clutch on the lens to go to manual and thereby have
>trap focusing with an AF lens?
No, you can't trap focus by de-clutching the AF on the
ones I've tried (PZ1p, F* 300/4.5, and FA* 600/4.) It
just does not work.
I think the body knows the lens is AF even when it is
de-clutched to be in manual focus. Adding an MF
extension tube eliminates the AF contact between lens
and body, so trap focus should work.
BTW, every once in awhile I see comments on the Canon
lamenting their lack of trap focus. Apparently, no
Canon lens or body will perform trap focus.
--
John Mustarde
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