Nikon D780 DSLR Camera (Body Only) - Manual (Page 758)

712 Menu Guide > N The Retouch Menu
D Image Quality
• Copies created from NEF (RAW) images are saved at an [ Image quality ]
of [ JPEG fine m ].
• Copies created from JPEG images are the same quality as the original.
• In the case of images recorded to the same memory card at image
quality settings of NEF + JPEG, only the NEF (RAW) image will be
retouched.
D Image Size
Except in the case of copies created with [ NEF (RAW) processing ], [ Trim ],
and [ Resize ], copies are the same size as the original.