After changing a lens, set the par-allax correcting dial (25) to the focallength value of the mounted lens.Regarding 55mm and 65mm lenses,set the parallax correcting dial to 80.then attach the parallax correctionplate for 55mm/65mm lenses to thefocusing hood. (Refer to p. 15 forhandling method of the focusinghood).Concerning the 250mm lens, setthe parallax correcting dial to 180.PRECAUTIONS1. If the film wind crank is not kept positioneddiagonally upward, (the same angle as thecrank housing position), the cocking lever (17)cannot be connected with the cocking lever onthe camera body.2. Regarding the cocking lever on the 180mmlens, an auxiliary lever for connection is providedon the side of the lens barrel. Since this leveris constantly pushed upward by a spring, whenmounting the lens, hold the auxiliary leverdownward with a finger tip to prevent obstruct-ing installation.3. When the lens change knob (24) is in the“UNLOCK” position, the portion to which thepicture taking lens (lower lens) is attached isprotected by a cover from the camera interiorto shield the film from exposure to light, anda red warning signal is visible on the focusingscreen surface.Should this cover be pushed while removing thelens, light will strike the film. Never push it.4. After changing a lens, turn the lens changeknob (24) to the “LOCK” position; otherwise,the shutter release button cannot be depressed.22