DNG embeded medium preview size versus Lightroom build minimum preview.

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hi -

 

i converted raw files dng preview set medium instead of set full.

on other hand in lightroom, there several preview option (minimum, 1:1, etc.); use minimum because lightroom build larger preview size on fly when needed , keeps in cache 30 days.

 

i wondering if not need convert raw files full preview because lightroom build larger preview within lightroom. save 10-15% smaller dng file size.

 

i saw photographers converting compressed dng super small file size , seems not make real difference in develop's visible large preview.

 

thoughts? appreciate feedback. thank you.

 

frank

regardless of preview size choose have lightroom generate, previews used in library module. lightroom generates preview of raw image data when using develop module. can't comment on creating smaller previews when converting dng. have left set medium setting. have decide best you. if 10%-15% savings critical go ahead , generate smaller previews. previews within dng file used programs don't recognize or allow work raw image data. programs automatically display embedded jpeg preview.



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