Nikon D500 - Manual (Page 48)

48 Menu Guide
Choose a compression type and bit depth for NEF (RAW)
photographs.
❚❚ NEF (RAW) Compression
❚❚ NEF (RAW) Bit Depth
NEF (RAW) Recording
G button
➜ C photo shooting menu
Option Description
N
Lossless
compressed
NEF images are compressed using a reversible
algorithm, reducing file size by about 20–40% with
no effect on image quality.
O
Compressed
NEF images are compressed using a non-reversible
algorithm, reducing file size by about 35–55% with
almost no effect on image quality.
Uncompressed NEF images are not compressed.
Option Description
q
12-bit
NEF (RAW) images are recorded at a bit-depth of
12 bits.
r
14-bit
NEF (RAW) images are recorded at a bit depth of
14 bits, producing files larger than those with a bit
depth of 12 bits but increasing the color data
recorded.