Crop Factors

Started Sep 20, 2008 | Discussions thread
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Sean Nelson
Sean Nelson Forum Pro • Posts: 11,846
Re: Crop Factors

2clueless wrote:

What I was trying to determine is if a crop factor of, say, 5 on a small
sensor point and shoot should be used to determine the "equivalent"
or "apparent" focal length FOV relative to a 35mm film camera just as
it does on dSLR's.

It can, but in most cases compact camera manufacturers already publish the "35mm equivalent" focal lengths anyway, and they DON'T publish the crop factors.

But knowing the crop factor does come in handy if you're looking at EXIF information for a picture and the 35mm equivalent isn't included.

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