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Full Version: next PZ lens test report: Pentax-01 Standard Prime 8.5mm f/1.9
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Sharp within the limits of the system:

[url="http://www.opticallimits.com/pentaxq/688-pentaxq85f19"]http://www.opticallimits.com/pentaxq/688-pentaxq85f19[/url]

netrex

A fun little system. I wouldn't mind having it, specially with an adapter to my K-mount lenses.

Guest

[quote name='Klaus' timestamp='1321302302' post='12923']

Sharp within the limits of the system:

[url="http://www.opticallimits.com/pentaxq/688-pentaxq85f19"]http://www.opticallimits.com/pentaxq/688-pentaxq85f19[/url]

[/quote]

Klaus can you explain why a small sensor cant deliver the pixel level sharpness of a larger sensor? Is it because of noise creeping in at low iso or some other optial effect?
[quote name='jenbenn' timestamp='1321307999' post='12925']

Klaus can you explain why a small sensor cant deliver the pixel level sharpness of a larger sensor? Is it because of noise creeping in at low iso or some other optial effect?

[/quote]

Diffraction from the lens, vs the small sensor surface (and pixels)