Do crop/viewing percentages have a clear definition?

Started Mar 19, 2012 | Discussions thread
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JimPearce
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Do crop/viewing percentages have a clear definition?
Mar 19, 2012

Sure, viewing pixels 1:1 or 100% crop makes a certain amount of sense, although those pixels could be displayed on a postage stamp or a billboard. I'm looking at a severe crop of a screech owl. Now the utilized pixels are 1370*1141. The camera's sensor is 4288*2848. How do you calculate the percentage crop?
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Jim

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