User manual NIKON AF-S 300MM F/2.8D IF-ED II

[. . . ] Observe the following precautions when handling the camera and lens Keep the camera and lens unit dry. When shooting with back-lighting, do not point the lens at the sun or allow sunlight to pass directly down the lens as this may cause the camera to overheat and possibly cause a fire. When the lens will not be used for an extended period of time, attach both front and rear lens caps and store the lens away from direct sunlight. [. . . ] Failure to do so could result in a fire, as the lens may focus sunlight onto a flammable object. Before using this lens, Please read these instructions and refer to your camera's User's Manual. The Nano Crystal Coat deposited on some of the lens elements ensures that fine, clear images can be reproduced under various shooting conditions, from the sunny outdoors to spotlighted interior scenes. This lens employs a Silent Wave Motor to drive the focusing mechanism, making autofocusing smooth, silent and almost instantaneous. Superior optical performance and rendering characteristics are maximized with the use of two aspherical lens elements and two extra-low dispersion (ED) glass elements, which ensure correction of chromatic aberration. In addition, the rounded aperture produces soft and pleasing blur characteristics in portions of pictures that are out-of-focus. When mounted on Nikon DX format digital SLR cameras, such as the D300-Series and D90, the lens' picture angle becomes 61° and its 35mm equivalent focal length is approx. To remove dirt and smudges, use a soft, clean cotton cloth or lens tissue moistened with ethanol (alcohol) or lens cleaner. Wipe in a circular motion from the center to outer edge, taking care not to leave traces or touch other parts of the lens. Never use organic solvent such as thinner or benzene to clean the lens. When storing the lens in its flexible lens pouch, attach both the front and rear lens caps. When the lens is mounted on a camera, do not pick up or hold the camera and lens by the lens hood. Since type M screen can be used for both macrophotography at a magnification ratio of 1:1 or above and for photomicrography, it has different applications than other screens. important · For F6 cameras, when using screens other than type B or E, "Other screen" must be selected in Custom Setting. [. . . ] Since type M screen can be used for both macrophotography at a magnification ratio of 1:1 or above and for photomicrography, it has different applications than other screens. important · For F6 cameras, when using screens other than type B or E, "Other screen" must be selected in Custom Setting. When the lens will not be used for an extended period of time, store it in a cool, dry place to prevent mold and rust. [. . . ]