There are two kinds of diffraction operating, the one from the small
physical size of the aperture and the one from the small size of the
photosensor site. On a D2X which has photosites on the sensor almost
identical in size to the ones on your E300, F11 is just beginning to
show softening. F11 is probably a good limit for your camera too, but
a little sharper probably with a half stop wider.
Winsor
Long Beach, California, USA
On Apr 18, 2006, at 9:28 AM, James Royall wrote:
>
> I've had a search through emails I've saved and more widely can't find
> this. I stuck my E300 on a tripod (a rare event in itself) with the
> 14-54 at 14mm on it. Going for some max depth of field (another
> relative
> novelty) I went for f16, but find the results soft. I then remembered
> (of course, after the event) that I didn't need to go to such a small
> aperture as the DOF is increased and that I shouldn't go to small
> apertures because of the said diffraction. So how small do you all
> go in
> a wide-angle-landscape-type scenario with some foreground?
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