Raw vs Jpeg dimension difference

Started Aug 23, 2012 | Discussions thread
goblin
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Re: Raw vs Jpeg dimension difference
In reply to sunisri, Aug 23, 2012

Absolutely normal, this is the case with all cameras (I have personally checked on all my Olympus, Panasonic and Nikon raw files - it's the same). The data on the edges is there for calibration purposes and whatnot. Cameras actually crop into that to bring back the final picture.

You are not "losing" data when the camera does this, as this correction is factored in from the beginning.

The reason you're seeing this is because you are probably viewing your files on some software such as Picasa.

On "optimized" software like Viewer or a relevant version of Lightroom and such - the file is already cropped.

Not of much use usually, as what you are seeing is I believe the jpeg embedded in the raw file, but can be a lifesaver for "forensic" use, to get that cropped detail back in the picture.

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