Image Quality; Image Size - Nikon D40 Owner's Manual

Image Quality

Controls used
The camera supports the following image quality options (listed in descending order by
image quality and file size):
Option Format
RAW NEF
FINE
NORM JPEG
(default)
BASIC
RAW+B NEF+JPEG

Image Size

Controls used
Image size is measured in pixels. The following options are available:
Image size
L (default)
M
S
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.
30 Reference: More on Photography (All Modes)/Image Quality and Size
Description
Compressed raw data from the image sensor are saved directly to memory card.
Choose for images that will be retouched on a computer.
Images are compressed less than NORM, producing higher-quality images. Com-
pression ratio: roughly 1:4.
Best choice in most situations. Compression ratio: roughly 1:8.
Smaller file size suited to e-mail or the Web. Compression ratio: roughly 1:16.
Two images are recorded: one NEF (RAW) image and one basic-quality JPEG
image.
Size (pixels)
3,008×2,000
2,256×1,496
1,504×1,000
Approximate size when printed at 200 dpi
38.2×25.4cm (15.0×10.0in.)
28.6×19.0cm (11.3×7.5in.)
19.1×12.7cm (7.5×5.0in.)