[. . . ] 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 · Keep the camera or lens unit dry. When the lens will not be used for a long 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 might focus sunlight onto an object. Autofocus (A) or manual (M) mode can easily be selected with the Focus mode switch. Autofocusing with manual override is provided, allowing instant change from autofocusing to manual focusing. 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. The use of three aspherical and three ED (extra-low dispersion) lens elements ensures sharp pictures virtually free of color fringing. Also, by utilizing a 9-blade diaphragm that produces a nearly circular aperture, out-of-focus images in front of or behind the subject are rendered as pleasing blurs. The Nano Crystal Coat on one lens element ensures clear images under various shooting conditions, from sunny outdoors to spotlighted interior scenes. When mounted on Nikon digital SLR (Nikon DX format) cameras, such as the D2-Series and D50, the lens' picture angle becomes 61°­ 22°50' and its 35mm equivalent focal length range is approx. If the lens mount rubber gasket 9 is damaged, be sure to visit the nearest Nikon authorized dealer or service center for repair. 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. Never use thinner or benzene to clean the lens as this might damage it, result in a fire, or cause health problems. To protect the front lens element, an NC filter is recommended at all times. When storing the lens in its lens case, attach both front and rear caps. When the lens will not be used for a long time, store it in a cool, dry place to prevent mold. Do not get water on the lens or drop it in water as this will cause it to rust and malfunction. Auto Ring BR-2A/BR-4 and all models of Auto Extension Ring PK, K Ring, and Bellows focusing attachment Other accessories may not be suitable for use with this lens. 8 15 elements in 11 groups (3 ED glass, 3 aspherical and 1 Nano Crystal Coat-deposited lens elements) 84° ­ 34°20' [61° ­ 22°50' with Nikon digital SLR (Nikon DX format) cameras; 71° ­ 27°40' with IX240 system cameras] 24, 28, 35, 50, 70mm Output to camera body Manually via separate zoom ring Nikon Internal Focusing (IF) system (utilizing an internal Silent Wave Motor); manually via separate focus ring Graduated in meters and feet from 0. [. . . ] Auto Ring BR-2A/BR-4 and all models of Auto Extension Ring PK, K Ring, and Bellows focusing attachment Other accessories may not be suitable for use with this lens. 8 15 elements in 11 groups (3 ED glass, 3 aspherical and 1 Nano Crystal Coat-deposited lens elements) 84° ­ 34°20' [61° ­ 22°50' with Nikon digital SLR (Nikon DX format) cameras; 71° ­ 27°40' with IX240 system cameras] 24, 28, 35, 50, 70mm Output to camera body Manually via separate zoom ring Nikon Internal Focusing (IF) system (utilizing an internal Silent Wave Motor); manually via separate focus ring Graduated in meters and feet from 0. Specifications and designs are subject to change without any notice or obligation on the part of the manufacturer. [. . . ]