garyrhook wrote: RAW files contain additional information that may not translate to any other format. It may (probably will) be dispensed with.
TIFF files can be compressed (lossless, but compressed). RAW files are not because compression takes processing cycles and time; who's got time for that when shooting?
What happens when you use PSD files?
By what criteria have you determined that you're losing quality? File size is kinda irrelevant. Format is what matters.
Shadowfixer1 wrote: Are you working in 8 bit or 16 bit. Pushing pixels around too much in 8 bit will produce banding much quicker than 16 bit. I don't think the file type is your problem. I think your adjustments are too extreme for the file you're working with.
Shadowfixer1 wrote: How many pixels are in each image. Look at that information and tell us if they are different.
Shadowfixer1 wrote: Forget about the end file size when you look at it in explorer. It doesn't really matter. Look at the number of pixels and where that changes so drastically and you will pin point the problem and the solution.
PS. Go to "preferences" in Lightroom under the Edit header and check your settings. More specifically, check "External Editing" settings.
Shadowfixer1 wrote: Those settings are fine. The problem is not there. It must be in Photoshop somewhere. How much are you cropping?
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