Nikon D4S - Manual (Page 112)

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Image Quality
The D4S supports the following image quality options. See
page 464 for information on the number of pictures that can be
stored at different image quality and size settings.
Option File type Description
NEF (RAW) NEF
RAW data from the image sensor are saved
without additional processing. Settings such as
white balance and contrast can be adjusted
after shooting.
TIFF (RGB)
TIFF
(RGB)
Record uncompressed TIFF-RGB images at a bit
depth of 8 bits per channel (24-bit color).
TIFF is
supported by a wide variety of imaging
applications.
JPEG fine
JPEG
Record JPEG images at a compression ratio of
roughly 1:4 (fine quality).
*
JPEG normal
Record JPEG images at a compression ratio of
roughly 1:8 (normal quality).
*
JPEG basic
Record JPEG images at a compression ratio of
roughly 1:16 (basic quality).
*
NEF (RAW)+
JPEG fine
NEF/
JPEG
Two images are recorded, one NEF (RAW) image
and one fine-quality JPEG image.
NEF (RAW)+
JPEG normal
Two images are recorded, one NEF (RAW) image
and one normal-quality JPEG image.
NEF (RAW)+
JPEG basic
Two images are recorded, one NEF (RAW) image
and one basic-quality JPEG image.
* Size priority selected for JPEG/TIFF recording > JPEG compression.