When using a lens having no full aperture metering such as FL lenses, metering should be performed by stopping down the lens. Stopped-down metering is performed by pressing the stop-down lever.

1. Set the shutter speed dial the the desired speed
2. Point the camera towards the subject, look into the viewfinder and press the stop-down lever. The aperture needle will point to the lower coupling limit mark and only the meter needle remains
3. Turn the preset aperture ring and match the meter needle with the meter index in the viewfinder. In the case of f/stop priority, adjustments can be made with shutter speed dial
4. If the meter needle is pointing above the meter index and cannot be matched by closing the preset aperture ring and metering cannot be performed, turn the shutter speed dial to a faster speed. If the meter needle is pointing below the meter index and cannot be matched by opening the preset aperture ring, turn the shutter speed dial to a slower speed. When the red signal appears, use a flash unit or higher speed film.