Interesting. At f/8, the DA14mm's aperture is less than 2mm in
diameter where the FA16-45 is at 2mm or greater. Perhaps you're
seeing the onset of diffraction, reducing the resolution. How do
they compare at f/5.6?
I normally set aperture between f/4 and f/5.6 with the 14mm.
Godfrey
--- Herb Chong <[EMAIL PROTECTED]> wrote:
> at f8, my DA 14 is uniformly sharp across the field, but
> noticeably less so
> than the DA 16-45 at f8. the DA 16-45 and FA* 80-200/2.8 are
> about equal to
> my eyes, and i expect that the FA* 28-70/2.8 to be about the
> same.
>
> Herb...
> ----- Original Message -----
> From: "Godfrey DiGiorgi" <[EMAIL PROTECTED]>
> To: <pentax-discuss@pdml.net>
> Sent: Tuesday, January 25, 2005 8:08 PM
> Subject: Re: DA14mm f/2.8 quality (was: Pentax 50mm News)
>
>
> > Less sharp ... in the center, at the edges, at what f/stops,
> > etc, at what settings on the DA16-45? How are you comparing
> > them?
> >
> > I find the DA14 satisfactorily sharp across the field wide
> open,
> > but the corners are not as sharp as the center until
> f/4-5.6.
> > Contrast is good throughout the range. Distortion seems to
> be
> > very low.
>
>
>
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