Pentax Optio Digital Camera 750Z - Manual (Page 22)

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Choose the number of recorded pixels and quality level best suited to
your purpose.
Higher quality levels and numbers of recorded pixels produce clearer
images for printing, but the resulting increase in data volume reduces the
total number of pictures that can be taken.
The quality of the printed picture depends on the image quality, exposure
control, resolution of the printer and other factors; therefore, you do not
need select more than the required number of recorded pixels.
1024×768 is sufficient for printing a postcard-size print.
4:3 is a normal aspect ratio of the images captured with a digital camera.
When printing an image with no border and an aspect ratio of 4:3, part
of the image may not appear on the print. Set the aspect ratio to 3:2 for
prints with more of the original image.
Appropriate Number of Recorded Pixels According to Use
The default setting is 3056×2296 with a 4:3 aspect ratio.
Appropriate Quality Level According to Use
The default setting is D.
Recorded Pixels and Quality Level for Still
Pictures
Aspect Ratio of Image
Use
4:3 3:2
3056Ч2296 3056Ч2040 Suitable for high-quality prints, large-sized
prints and image processing
Suitable for postcard-size prints
Suitable for use on websites or attaching to
e-mails
2592Ч1944 2592Ч1728
2048Ч1536 2048Ч1368
1600Ч1200 1600Ч1064
1024Ч768 1024Ч680
640Ч480 640Ч424
TIFF
Captures the image as uncompressed TIFF data. Suitable
for editing images with the ACDSee software provided with
the camera. This can only be specified with the recorded
pixels 3056×2296 and 2592×1944.
C Best Lowest compression rate. Suitable for photo prints.
D Better
Standard compression rate. Suitable for viewing the image
on a computer screen.
E Good
Highest compression rate. Suitable for attaching to e-mails
or creating websites.
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