EOS-1D Instructions
Page 155
...Aperture The aperture value (f/number) indicates the size of the aperture opening in it becomes available. Firmware This is assigned automatically to store data in the lens. The EOS-1D uses the firmware for RAW images. Format When you format a CF card, it prepares the card to each image... code preset at the factory and a file (Example) 5F9Z0001.JPG number assigned automatically. It can later install the latest version of light striking the CCD sensor. It adjusts the amount of the firmware when it . The file number is equal to the numbering method you capture.
...Aperture The aperture value (f/number) indicates the size of the aperture opening in it becomes available. Firmware This is assigned automatically to store data in the lens. The EOS-1D uses the firmware for RAW images. Format When you format a CF card, it prepares the card to each image... code preset at the factory and a file (Example) 5F9Z0001.JPG number assigned automatically. It can later install the latest version of light striking the CCD sensor. It adjusts the amount of the firmware when it . The file number is equal to the numbering method you capture.