----- Original Message -----
From: Shaun Canning
Subject: RE: SMC Pentax F* Zoom 5,6/250-600


> Why wouldn't you be able to use k-mount glass on a Pentax
DSLR? If it uses
> the k-mount, the only change may be the increase in focal
length associated
> with smaller than 35mm format sensor areas. (i.e. the 1.4x
magnifying
> effect). For many this would be great, as it would extend the
range of
> lenses for free.

You can get the same effect by printing the centre portion of a
negative and cropping off the outside 30 or so percent. It's OK
if you want telephoto, but crappy if like wide angles.

William Robb

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