On 6 Apr 2006 at 8:12, Mishka wrote:

> nothing scientific, but as a guess: if your sensor outresolves the
> lens (take a look of an out of focus pic with any lens), at
> large magnification, you'll see essentially blobs of uniform
> grey of size much larger than the size of a pixel.
> if your lens outresolves the sensor, at high mag.
> you'll see all kinds of weird things on the scales of 1..3 pixel
> (aliasing. moire, etc etc).
> of course, in real life it's a mixtureof both, since at
> 125 pixels/mm (60lpmm) pretty much any lens is close
> to its limits, but  from what i see on my pic, it's more like the
> second case.

The problem with that theory is that there is a low pass AA filter between the 
lens and the sensor in the case of the Pentax DSLRs


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998

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