Nikon D810 - Manual (Page 103)

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The D810 supports the following image quality options. See
page 489 for information on the number of pictures that can be
stored at different image quality and size settings.
Image Quality
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. The
compression ratio is an approximation only; the actual ratio varies with ISO sensitivity and the
scene recorded.