On Sep 29, 2005, at 1:15 PM, Mark Roberts wrote:
Some sources have indicated that Pentax's upcoming ~10 megapixel
sensor
may be larger than APS-C (though still smaller than full-frame).
That doesn't sound like good news to anyone who might be building a
collection of DA lenses. I wonder if the DA series can accommodate
such a
larger sensor? I doubt there is much "room to grow", if you know
what I mean.
Everything I've heard so far indicates there is.
In the case of the DA14, there's not a lot of additional room in the
image circle. A 24x24 image circle is close to about it. Falloff at
26mm is pretty bad, and there is a physical shadow starting around 27mm.
With the DA18-55 and DA16-45, there's more image circle to work with
particularly as you go to longer focal lengths.
Godfrey