D7100 crop - what is it?

Started Jan 2, 2014 | Discussions thread
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draacor
draacor Senior Member • Posts: 1,308
Re: Actually, it's a 1.25x crop...

blurredvision wrote:

JimPearce wrote:

The "1.3x" refers to a linear crop factor. A better way to look at it in my view is the reciprocal: only 1/1.25 or 80% of the pixels (linearly) are retained. The raw file is 4800 x 3200 pixels rather than 6000 x 4000.

To further dumb down what Jim has written, I'll add this much. By default, the D7100 is 24MP. Kick on 1.3x crop mode and your pictures go down to around 15.3MP. This helps get more pictures in the buffer due to the smaller file size, only helpful if you do continuous shooting. Other than that, there's no advantage to it.

IMO, I think Nikon knew the buffer was lacking and threw in this Band-Aid as a "feature".

I disagree with this. Another useful thing is for wildlife photography.  Instead of buying a longer zoom lens you can turn on the crop to get a little closer in.  Sure you can do this in post but it makes framing easier when you do it out in the field.

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