Perhaps you should consider the possibility that you own a substandard sample. I would hope that's not the case, and believe that Pentax probably has a pretty high degree of quality control on this lens, but I suppose it's not beyond the realm of possibility that yours is a lemon. It would be very interesting to see a comparison of yours against another of the same model.

Dave

Powell Hargrave wrote:
Perhaps it is flare/loss of contrast with the zoom. I increased the contrast in part of the Take Two image.
http://members.shaw.ca/hargravep/Collage2.jpg
No sharpening done. Perhaps the eyes ability to see the differences in contrast make it look
sharper.


Powell


At 12:57 PM 03/04/2005, Don wrote:

OK, here's that roof again.
2 shots with the DA 16-45/4 at 4.0
1 with the M 28/3.5 at 3.5
1 with the A 28/2.8 at 2.8
All upsized to 300%
All treated *exactly* the same way from exposure to web.

http://tinyurl.com/4axt4

**I CAN SEE, in the viewfinder, (with the 2x) detail in
the shingles *far above* what shows in the DA samples!
Both of the 28s give me what I expect, but not the DA.

If someone else had processed these for me I would have
accused them of intentionaly blurring the DA samples!

I'm at a total loss to explain how I can see a highly
detailed image in the viewfinder with all three lenses
but only two of them give a detailed final result.






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