Sigma 28 to 200 with K20d, Missouri Botanical Garden
by edmund j. kowalski
| Blue sky Noise Tests: Pentax K20D & Nikon D300
by Richard
| Pentax K20D versus Nikon D300: Exposures
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| Pentax K20D versus Nikon D90 at 1600 ISO
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| Pentax K20D Nikon D300 & 90 Low and High ISO
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|