Nikon 885 - Manual (Page 53)

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Refer
ence—Camera Setup
Image Quality
To reduce the amount of memory that each
picture occupies, images are compressed using
JPEG compression. JPEG compression 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
CF 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.
You can control the amount of compression using the image quality
sub-menu. Image quality settings can be accessed from the SET-UP
menu and the “Image Size & Quality” sub-menu in the CSM shooting
menu (p. 134). Changes to image quality in any of these menus apply
to all modes. Note, however, that image quality setting of “HI” cannot
be selected with the SETUP menu and “HI” becomes “FINE” in AUTO
and SCENE modes, reverting to “HI” when the mode dial is turn to
CSM.
The image quality menu contains the following options:
IMAGE QUALITY
Image Quality
Image Size
Folders
Monitor Options
Auto Off
Seq. Numbers
CF Card Format
FINE
NORMAL
BASIC
SELECT SET
Option File format Description
HI TIFF
Best-quality image, with no compression. Use when
quality or authenticity is of paramount importance.
FINE JPEG
Fine image quality, suitable for enlargements or high-
quality prints. File size reduced to roughly 1/4 of
original.
NORMAL JPEG
Normal image quality, suited to most applications. File
size reduced to roughly 1/8 of original.
BASIC JPEG
Basic image quality, suitable for pictures that will be
distributed by e-mail or used in web pages. File size
reduced to roughly 1/16 of original.
While setting of “NORMAL” represents the best trade-off between file
size and image quality in most cases, a setting of “BASIC” can be
used to save memory or create smaller files suitable for electronic
distribution. Setting of “HI” or “FINE” are suitable for pictures that will
be enlarged or printed at high resolution.
JPEG
“JPEG” (pronounced “jay-peg”) stands for “Joint Photographic Experts Group,”
the organization which developed the JPEG compression standard.
Viewing the Current Image Quality and Size
The current image quality and size (except for full size)
settings are displayed in the monitor as shown at right.
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