IX [INFORMATION EXCHANGE
Definition: This is the designation for how the camera, film and photofinishing equipment communicate with each other. There are two types of Information Exchange. Optical Information Exchange simply exposes marks on the film in a reserved area. This is used to tell the photofinisher what format of picture you selected (C, H, or P) when the photo was taken. Magnetic Information Exchange has even more information. It can tell the photofinisher about the conditions that the picture was taken so that it can be printed to its best. It can also record greetings and information (date, time, name of event, etc. ) which can be printed on the back (see Backprinting).
Definition: This is the designation for how the camera, film and photofinishing equipment communicate with each other. There are two types of Information Exchange. Optical Information Exchange simply exposes marks on the film in a reserved area. This is used to tell the photofinisher what format of picture you selected (C, H, or P) when the photo was taken. Magnetic Information Exchange has even more information. It can tell the photofinisher about the conditions that the picture was taken so that it can be printed to its best. It can also record greetings and information (date, time, name of event, etc. ) which can be printed on the back (see Backprinting).
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