On 30/12/2013 6:59 PM, Bruce Walker wrote:

By the way, the lowly JPEG that we raw image users most often throw
away actually has an unintended useful purpose. If you have taken a
few essentially identical images of a scene, grab the JPEGs and
compare their image file sizes. The one with the largest size will be
from the sharpest image in most cases. The sharper the image the more
fine detail it contains and therefore the less compressible it is.

Sometimes little pearls of wisdom fall from the sky.

bill


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