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Forum: Pentax K-3 & K-3 II
03-04-2016, 06:17 AM
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It would be nice to know their exact methodology, but I think it's safe to assume that like most manufacturer ratings, it's probably a best-case scenario.
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Forum: Pentax K-3 & K-3 II
03-03-2016, 03:41 PM
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It's well known that as focal length increases, shake reduction systems must work harder and harder. So I think it's kind of common sense that any shake reduction system is going to be sorely pressed when shooting handheld at 630mm, which would actually be 945mm equiv on 35mm. It's just asking a lot.
I've owned a couple 500mm lenses in the past, and I know that even at 500mm you had to be careful to get sharp shots.
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Forum: Pentax K-3 & K-3 II
02-26-2016, 06:08 AM
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At those kinds of focal lengths you won't get sharp photos without rigorous adherence to proper technique, even with SR.
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