And neither system can focus properly unless there's an object to
focus on. If one wants to set the focus between two objects, or in
front of or behind an object, you're out of luck.
William Robb wrote:
> Most (all) point and shoot cameras use active AF technology. It
> is good in that it is very quick and sure in many conditions. It
> is not so good in that it is range limited to around 5 meters,
> after that, everything is at infinity. Rooms full of reflective
> objects will also cause active AF to malfunction, as will
> shooting over water.
> SLR cameras use passive autofocus. Not so great in that they are
> limited in to fairly well lit situations with lots of subject
> contrast. Better in that they actually work accurately when the
> subject is farther than 5 or so meters from the camera.
--
Shel Belinkoff
mailto:[EMAIL PROTECTED]
"Shooting B&W and then turning the film and processing over
to your local lab is like Leonardo buying the canvas and paint
and then turning it over to the local quick sketch artist."
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