D7100 owners having to INCREASE shutter speeds to avoid softness?

Started Apr 15, 2013 | Discussions thread
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Whalligeo Regular Member • Posts: 245
Re: Simple calculation

Dirk W wrote:

I think the calculation is pretty simple: The D7100 has about the same resolution at 2x crop as the 7000 has at 1,5 crop. So if you need to multiply the focal length by 1,5 for the minimum shutter speed at the D7000 according to the old thumb rule, you need to multiply it by 2 at the D7100.

If 1.5 is enough even at the 7000, is another question, maybe that thumb rule only applied to 10MP cameras.

Um. No, the rule of thumb applied to 35mm film as well. But if you don't have a very steady hand, its not a very good rule of thumb anyway, but its a start to get you in the ball park.

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