User manual NIKON AF-I NIKKOR ED 300MM F/2.8D IF

[. . . ] MOUNTING THE LENS To mount, position the lens on the camera's bayonet mount, lining up the aperture index on the lens with the lens mounting index on the camera. Twist the camera body clockwise until it clicks into place. To remove, press the lens' release button on the camera and turn the camera body counterclockwise. For details, refer to the camera's instruction manual. [. . . ] for a Nikon Non-Autofocus Camera Only manual focusing operation is available. Push the focus mode button and rotate focus mode ring until it clicks into position at M. When the ring locks, lens is set for manual focus. rotate focusing ring until the viewfinder image appears sharp and crisp. FOCUS LOCK (WITH AN F4-SERIES CAMERA) When shooting a subject that is off-center or moving in Continuous Servo Autofocus mode, press this button to lock focus. To cancel focus lock and reactivate autofocus, remove your finger from the focus lock button. Although AF-Lock function can be set on both camera and lens, priority is given to whichever is set first. FOCUSING LIMIT SWITCH (F4-SERIES CAMERA) With autofocus operation, you can reduce focusing time by setting the focusing limit switch according to the predetermined distance range for the subject(s). There are three focusing limit zones provided: Close distance — infinity < * ) Set switch to front setting (FULL) <> Close distance — 7m Set switch to middle setting (7 — 2. 5m) 6m — infinity (°°) Set switch to rear setting (~> — 6m) RECOMMENDED FOCUSING SCREEN Various interchangeable focusing screens are available for Nikon cameras to suit any type of lens or picturetaking situation. Those which are recommended for use with your lens are listed. For F4-series cameras, compensate using the Exposure Compensation Dial for the focusing screens. (See the F4/F4s instruction manual , page 78. Since type M screen can be used for both macrophotography at a 1:1 magnification ratio and for photomicrography, it has different applications than other screens. % For F3-series cameras , exposure compensation is not necessary. * Screens T and U are not available for use with F2-series cameras. For the K2, B2 and E2 focusing screens, refer to the columns on the K, B and E screens, respectively. For details, also refer to the specific camera's instruction manual. A For programmed auto or shutter-priority auto shooting, use the minimum aperture lock lever to lock the lens aperture at f/22. Set the lens to its minimum aperture (f/22). [. . . ] To avoid damage, set the lens at full aperture and use the blower far enough away. €¢ Always protect the lens surface from dirt or damage. The lens hood also helps to protect the lens. €¢ Keep the lens cap in place whenever the lens is not in use. [. . . ]