Keep in mind that fixed focal length lenses are generally better than zooms, fixed aperture zooms are better than those that vary with focal length, and the more you pay, the better the lens.
In a message dated 11/1/2001 8:03:16 PM Pacific Standard Time, email@example.com writes:
Sorry about the OT question, but I was wondering if anyone on the list could
suggest forums where I could ask questions about lenses? I'm getting a
little frustrated by the lack of sharpness in photos taken with a Sigma
28-80 f3.5-5.6 zoom, and I'm wondering just how much difference it will
make to my 35mm scans if the lenses were better.
Basically I just don't know how much visible improvement there would be
in 2700ppi scans from say a decent Pentax, Canon, Nikon or Contax lens.
I get significantly sharper results with my 50mm f1.7 lens, but it seems
to have colour aberration problems (red aberration).
I'm trying to avoid garbage-in-garbage out as much as possible in the scans.