The image comparison below is from a grainy high ISO shot from a D5500 RAW->DNG:
Left: LR v5.7, image preview Develop, FIT zoom level
Right: LR export to JPEG at 100% quality = LR Library preview with FIT zoom level
However, when I go to 1:1 zoom level, Library and Develop are identical except for a slight colour change. The grains line up exactly.
LR Develop preview FIT zoom level is wrong, i.e. very different to JPEG export.
How do you fix this?
This is generally caused by applying excessive Sharpening and/or insufficient Luminance Noise Reduction settings. See this post for more information: Loosing detail and blacks when exporting final image
Thanks - that's it!