Canon EOS 100 - Custom Functions

Custom Functions

The EOS 100 was among the first of Canon's cameras to have the facility to alter its operation via custom functions. These would remain set even if the camera was switched off or the battery replaced.

Custom Function Description
CF1 1=Stop film rewind at end of spool. Useful at quiet social events – film is rewound by pressing the film rewind button.
CF2 1=Second shutter flash sync. Gives more natural speed blurring.
CF3 1=Ignore DX film coding. Used if the photographer decides to up/down-rate a whole spool.
CF4 1=Switch off AF auxiliary light. Used if the auxiliary light could distract the subject.
CF5 1=Enable depth of field preview. Pressing the exposure lock button also sets the aperture so depth-of-field can be seen through the viewfinder.
CF6 1=Turn all warning bleeps off. Makes the camera even quieter.
CF7 1=Mirror up at start of countdown timer. Used to minimise all possibility of camera shake.

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