Image quality and size, Image quality – Nikon D5500 User Manual
Page 114
90 More on Photography
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 (
Image Quality
Choose a file format and compression ratio (image quality).
Image Quality and Size
Option
File type
Description
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.
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).
A
NEF (RAW) + JPEG
When photographs taken at NEF (RAW) + JPEG are viewed on the
camera, only the JPEG image will be displayed. When photographs
taken at these settings are deleted, both NEF and JPEG images will be
deleted.