Bob Talbot wrote:
>
> > Yes - Canon has. One of the personal functions on the EOS 1v
> enables a
> > "trap focus" setting. Focus on a spot (remove the target focused
> on.
> > Use the big brother to your remote to hold the shutter open open.
> It
> > won't go off until something again comes into focus. Battery
> companies
> > like this PF. And, there's another PF to reduce shutter lag time.
>
> If the 1v has this then I just might have to think about the upgrade.
> For birds in flight (flypast) that is exactly what I want ... ideally
> on an RT / RS ;o)
Far as I know it's exclusive to the 1v as a Personal Function. For
birds it sure sounds like it would beat throwing electronic devices up
into the air. :-)
>
> Has anyone here used it?
I haven't, "yet"
> Does it work "as described" or is there a downside ... such as after
> each frame you have to reset it?
I understand it will repeat - and in one frame or continuous - and
there's another "PF" whereby one can limit the number of frames shot in
a continuous burst.
>
> Would love to hear more about this: I missed it on the EOS3 (Nikon
> have had it for YEARS!!!!!!)
>
Regards,
Plumviewer
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