On 21/9/05, Jim King, discombobulated, unleashed: >I would be very interested to hear about PDML members' experiences >with the 15/3.5 on a DSLR. Several months ago I bought a used >A15/3,5 primarily for use on film, and I've been very disappointed >with its performance on my *ist-D. Compared to the DA14/2.8, my >A15/3.5 has poor sharpness and contrast, particularly at the edges. >even when stopped down to f8 or so. I sent it to Pentax USA for >service, thinking that it might be poorly collimated, but repeat >tests after it came back still show it to be rather poor on my D. > >Perhaps this is one of those lenses which just don't perform well >with digital sensors, despite acceptable performance on film. Or >perhaps I just got a bad copy...
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