Sony Cyber-shot DSC-W5 User's Manual / Troubleshooting page 14

Selecting the image size for use (t step 4 in "Read This First")
Pixel
Image size
7M (3072×2304) (DSC-
W7/W17 only: the default
setting)
3:2 (3072×2048) (DSC-
W7/W17 only)*
5M (2592×1944) (DSC-
W5/W15: the dafault
setting)
3:2 (2592×1728) (DSC-
W5/W15 only)*
3M (2048×1536)
1M (1280×960)
VGA(E-Mail)
(640×480)
* Images are recorded in the same 3:2 aspect ratio as photograph printing paper or postcards, etc.
Selecting the image quality (compression ratio) in combination (page 33)
You can select the compression ratio when digital images are saved. When you select a high
compression ratio, the image lacks the fineness of detail, but has a smaller file size.
14
Many (Fine image
quality and large file
size)
Few (Rough image
quality but small file
size)
Usage guidelines
Larger For printing high density images in A3 or A4 size
For printing high density images in A4 or A5 size
For printing in postcard size
For recording a large number of images
For attaching images to e-mail or creating home pages
Smaller
Example: Printing in up to A3
size
Example: An attached image
to be sent by e-mail