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Mount a lens

To mount a lens, position it in the camera's bayonet mount so that the indicator dots on the lens and the camera are aligned. See RED Circle Twist the lens counterclockwise until it clicks into place. Always shade the camera from the sun with your body when changing lenses.

Remove a lens

To remove the lens from the camera, press the release button. Grasp the lens by the white milled and twist it to the right as far as it will go. The lens will come loose and can be lifted out.

Photomic FTn

In order to measure light at full aperture with lenses of different maximum apertures, the meter must be adjusted for the maximum aperture of the lens in use. This is done each time a lens is mounted as follows:

Mount the lens as shown previously. Turn the aperture ring all the way to the minimum aperture setting (largest f/number), then all the way in the opposite direction. This step automatically fits the coupling pin of the Photomic finder into the coupling prong on the lens and adjusts the meter to the maximum aperture of the lens.