Lightroom: Bands in jpeg export even at 100% quality.

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  • Updated 6 years ago
  • (Edited)
Hello!

I do not know whether this a bug in LR 4 or a general problem of jpeg. When I export the picture you can find at http://www.frank-drewes.se/_IGP4348.jpg as jpeg, one can see bands in the lower left corner even if jpeg quality is set to 100 (which I always thought would be lossless). You have to have a good monitor to spot it, because the effect is not very strong. When exporting to tiff instead, the bands disappear.

EDIT: I have received some good tips on another site. Obviously, it's a combination of the fact that 100% jpeg quality is NOT lossless, and the fact that it's 8 bit. Dithering very flat color gradients is supposed to help.
Photo of Frank Drewes

Frank Drewes

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Posted 6 years ago

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