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Forum: Pentax K-3 & K-3 II
02-05-2014, 08:34 AM
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The whole question of noise comparisons between K-5 and K-3 arises from the fact that the resolution is different. Pixels on the K-3 are smaller. So if you compare noise between two adjacent pixels, the larger pixels of the K-5 will deliver less noise (a basic signal-to-noise ratio matter, no way around it, electronic noise will be mostly constant and signal will be higher).
However it makes little sense to compare the per-pixel performance.
If you compare IMAGES, looking not at two adjacent pixels but at the global result (be it in print orr on screen) then that higher per-pixel noise is averaged because you have more pixels. Then the K-3's resolution gain improves sharpness and thus general IQ.
and with the K-3, you can always choose to shoot at 16 MP in JPEG...
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Forum: Pentax SLR Lens Discussion
02-04-2014, 01:14 PM
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I pre-focused on the foreground while there was still some light, and switched the lens to MF to keep it from adjusting. It was my first effort with star trails, I was pretty happy with how it turned out. I ended up shooting about 100 frames at 30 sec. each.
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Forum: Pentax SLR Lens Discussion
02-04-2014, 12:49 PM
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Driftwood at the narrows
Rainier Star Trails
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Forum: Pentax SLR Lens Discussion
02-05-2014, 12:11 AM
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Love those doggie pics! Especially the last one.
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