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REFERENCE
131
REFERENCE
DPOF
Digital Print Order Format is a standard format for ordering prints of digital camera images
from photo lab printing services, as well as printing from household printers. The Canon EOS
D30 is DPOF-compatible. You can specify printing from the camera itself and store the order
information on the CF card. Photo printing services or household printers using the DPOF
format can then produce prints easily using that information.
Exposure
Exposure refers to the amount of light striking the imaging element to produce a photograph.
The amount of light appropriate for the ISO speed is called the correct exposure. The correct
exposure is adjusted by changing the combination of the shutter speed and aperture value.
File Numbering and Folders
The pictures you take are automatically assigned file numbers from 0001-9900 and stored in folders
of 100 images each. Each folder is numbered from 100 to 998 and recorded on the CF card.
Because pictures taken using continuous shooting must
be stored in the same folder, there may in some cases be
more than 101 images in a folder. Folders with 99 as their
last two digits are not created.
Images stored in formats other than RAW format have the
file name Img_ and the extension ‘jpg’, and images stored
in RAW format have the file name CRW_ and the extension
‘crw’. Images with the extension ‘thm’ are thumbnail
images for index display.
Example: Img_0001.jpg
12
Depth of field
Point of optimum focus
Aperture value set to f/22 Aperture value set to f/2
0001
100
0002
0099 0100
~
~
~
~
0101101 0102 0199 0200
9801198 9802 9899 9900
0001200 0002
0099 0100
•
•
•
File name
File number
Extension