Nikon D750 DSLR Camera (Body Only) - Manual (Page 145)

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❚❚
JPEG Compression
To choose the type of compression for JPEG images, highlight
JPEG compression in the photo shooting menu and press 2 .
❚❚
Type
To choose the type of compression for NEF (RAW) images,
highlight
NEF (RAW) recording > Type in the photo shooting
menu and press 2 .
❚❚
NEF (RAW) Bit Depth
To choose a bit depth for NEF (RAW) images, highlight NEF
(RAW) recording > NEF (RAW) bit depth in the photo shooting
menu and press 2 .
Option Description
O Size priority
Images are compressed to produce relatively
uniform file size.
P
Optimal quality
Optimal image quality. File size varies with scene
recorded.
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.
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.