Olympus SP-310 - Manual (Page 26)

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Record mode
You can select a record mode in which to take pictures or shoot movies.
Select the best record mode for your purpose (printing, editing on a
computer, website editing, etc.). For information on the image sizes for
each record mode and the number of storable still pictures/movie
recording time, see the tables on P. 28 to 30.
Still pictures (other than those in raw data format) are recorded in JPEG format.
Record mode depicts the image size and compression rate of your pictures.
Pictures are made from thousands of dots (pixels). If a picture with relatively few
pixels is enlarged, it looks like a mosaic. Pictures with more pixels are denser and
clearer but require more space (larger file size), thus decreasing the number of
pictures that can be saved. Though a high compression rate results in a small file
size, this also produces a grainy look.
(Normal image modes
Still picture record modes
Image becomes clearer
Ima
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Application
Compression
Image size
Low com-
pression
High com-
pression
Select according
to print size
3072 × 2304 (SP-310)
3264 × 2448 (SP-350)
SHQ HQ
2592 × 1944
SQ1
HIGH
SQ1
NORMAL
2288 Ч 1712
2048 Ч 1536
1600 Ч 1200
1280 Ч 960
SQ2
HIGH
SQ2
NORMAL
1024 × 768
For small-sized
prints and
websites
640 × 480
Picture with high number of pixels
Picture with low number of pixels