Nikon D40 - Manual (Page 42)

30 Reference: More on Photography (All Modes)/Image Quality and Size
Image Quality
The camera supports the following image quality options (listed in descending order by
image quality and file size):
Image Size
Image size is measured in pixels. The following options are available:
Note that the option selected for image size does not affect the size of NEF (RAW) images.
When viewed on a computer, NEF images are 3,008×2,000 pixels in size.
Controls used
Option Format Description
RAW NEF
Compressed raw data from the image sensor are saved directly to memory card.
Choose for images that will be retouched on a computer.
FINE
JPEG
Images are compressed less than NORM, producing higher-quality images. Com-
pression ratio: roughly 1:4.
NORM
(default)
Best choice in most situations. Compression ratio: roughly 1:8.
BASIC Smaller file size suited to e-mail or the Web. Compression ratio: roughly 1:16.
RAW+B NEF+JPEG
Two images are recorded: one NEF (RAW) image and one basic -quality JPEG
image.
Controls used
Image size Size (pixels) Approximate size when printed at 200 dpi
L (default) 3,008Ч2,000 38.2Ч25.4cm (15.0×10.0in.)
M 2,256Ч1,496 28.6Ч19.0cm (11.3×7.5in.)
S 1,504Ч1,000 19.1Ч12.7cm (7.5×5.0in.)