User manual NIKON AF-S VR 300MM F/2.8G IF-ED

[. . . ] continued operation could result in injury. After removing or disconnecting the power source, take the product to a Nikon-authorized service representative for inspection. No reproduction in any form of this manual, in whole or in part (except for brief quotation in critical articles or reviews), may be made without written authorization from NIKON CORPORATION. Do not look at the sun through the lens or viewfinder Viewing the sun or other strong light sources through the lens or viewfinder could cause permanent visual impairment. [. . . ] Keep out of reach of children Particular care should be taken to prevent infants from putting the batteries or other small parts into their mouths. Observe the following precautions when handling the camera and lens â· Keep the camera and lens unit dry. Do not handle or touch the camera or lens unit with wet hands. 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. â· 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. This lens employs a Silent Wave Motor to drive the focusing mechanism, making autofocusing smooth, silent and almost instantaneous. More accurate exposure control is possible when this is mounted on a Nikon camera having 3D Matrix Metering capability, because subject distance information is transferred from the lens to the camera body. â· The use of two ED (extra-low dispersion) lens elements ensures sharp pictures virtually free of color fringing. â· Focus manually when close-up attachment lenses are attached. However, there is no need to adjust the aperture for correct exposures because the camera automatically compensates for this variation. Taking flash pictures using cameras with a built-in flash Vignetting is the darkening of the corners around the image that occurs when the light emitted from the flash is obstructed by the lens hood, or lens barrel depending on the focal length or shooting distance. to prevent vignetting , do not use the lens hood. Digital SLR cameras D300-Series, D200, D100, D90, D80, D70-Series, D5000, D3000, D60, D50, D40-Series Usable focal length / Shooting distance No vignetting occurs at any focal length Clean the lens surfaces with a blower brush. 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 center to outer edge, taking care not to leave traces or touch other parts of the lens. â· Never use thinner or benzene to clean the lens, as this might damage it, result in a fire or cause health problems. â· To protect the front lens element, an NC filter is available. [. . . ] â· To protect the front lens element, an NC filter is available. A lens hood also helps protect the front of the lens. â· When storing the lens in its flexible lens pouch, attach both the front and rear lens caps. â· When the lens will not be used for a long time, store it in a cool, dry place to prevent mold. [. . . ]