User manual NIKON AF 14MM F/2.8D ED

[. . . ] Viewing the sun or other bright light source through the lens or viewfinder could cause permanent visual impairment. ⷠObserve the following precautions when handling the lens and camera: - Keep the lens and camera dry. Failure to observe this precaution could result in fire or electric shock. [. . . ] Sunlight focused into the camera when the sun is in or close to the frame could cause a fire. - If the lens will not be used for an extended period, attach the front and rear lens caps and store the lens out of direct sunlight. If left in direct sunlight, the lens could focus the sun's rays onto flammable objects, causing fire. ⷠDo not leave the lens where it will be exposed to extremely high temperatures, such as in an enclosed automobile or in direct sunlight. Failure to observe this precaution could adversely affect the lens' internal parts, causing fire. Before using this product, please carefully read both these instructions and the camera manual. Note: When mounted on a DX-format digital single-lens reflex camera such as the D90 or cameras in the D300 series, this lens has an angle of view of 44° and a focal length equivalent to 52. Note that type M screens can however be used for photomicrography and macro photography at magnifications of 1 : 1 or higher. Should the rubber lens-mount gasket be damaged, cease use immediately and take the lens to a Nikon-authorized service center for repair. ⷠUse a blower to remove dust and lint from the lens surfaces. To remove smudges and fingerprints, apply a small amount of ethanol or lens cleaner to a soft, clean cotton cloth or lenscleaning tissue and clean from the center outwards using a circular motion, taking care not to leave smears or touch the glass with your fingers. ⷠNever use organic solvents such as paint thinner or benzene to clean the lens. ⷠThe lens hood or NC filters can be used to protect the front lens element. ⷠAttach the front and rear caps before placing the lens in its flexible pouch. [. . . ] ⷠThe lens hood or NC filters can be used to protect the front lens element. ⷠAttach the front and rear caps before placing the lens in its flexible pouch. ⷠIf the lens will not be used for an extended period, store it in a cool, dry location to prevent mold and rust. [. . . ]