Nikon COOLPIX 775 Quick Start Manual page 111

Guide to digital photography
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Image Quality
To reduce the amount of memory that each picture
occupies, images are compressed as they are saved to
the memory card. The camera uses JPEG compres-
sion, which analyzes images in blocks eight pixels on a
side and selectively reduces detail within each block.
The more the image is compressed, the smaller the
resulting file and the less space it occupies on the
memory card. Compressing the image to make a very
small file, however, may cause the block pattern to
become visible, and there may be noticeable loss of
detail. The actual effect depends on the size of the
image when printed or displayed and on the type of
subject.
The image-quality menu contains the following options:
Option
Fine image quality, suitable for enlargements or high-quality prints. File
FINE
size reduced to roughly
Normal image quality, suited to most applications. File size reduced to
NORMAL
roughly
Basic image quality, suitable for pictures that will be distributed by e-mail
BASIC
or used in web pages. File size reduced to roughly
JPEG
"JPEG" (pronounced "jay-peg") stands for "Joint Photographic Experts Group," the organi-
zation which developed the JPEG compression standard.
1
/
of original.
4
1
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of original.
8
QUAL
1
SIZE
S
A
MENU
Description
/ Scene
IMAGE QUALITY
FINE
NORMAL
BASIC
OF F
SELECT
SET
/
of original.
1
16
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