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Together, image quality and size determine how much space
each photograph occupies on the memory card. Larger, higher
quality images can be printed at larger sizes but also require
more memory, meaning that fewer such images can be stored
on the memory card (
380).
Image Quality
Choose a file format and compression ratio (image quality).
Image Quality and Size
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.
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 compression
. The compression ratio is an
approximation only; the actual ratio varies with ISO sensitivity and the scene recorded.
