[. . . ] 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. Optical performance of DX Nikkor lenses is optimized for Nikon digital SLR (Nikon DX format) cameras, such as the D2-Series and D300-Series, by reducing the size of the image circle as compared with normal 35mm lenses. [. . . ] Therefore, focus again after zooming when the camera's focus mode selector is set to other than C (Continuous Servo AF). Set your camera's focus mode selector according to this chart: Distance index line Entfernungs Indexlinie Ligne de repère des distance Línea indicadora de distancias C) 2 Autofocus is provided, but you can manually override the focus by operating the separate focus ring while lightly depressing the shutter release button or AF start (AF-ON) button on the camera body of cameras so equipped. 3 Remove your finger then press the shutter release button lightly or the AF start button once again to cancel manual focus and resume autofocus. Getting good results with autofocus Refer to "Notes on using wide or super-wide angle AF Nikkor lenses" on the back of this sheet. Taking flash pictures with cameras having built-in flash When using the following camera, check the focal length and shooting distance before taking flash pictures to prevent vignetting since the light emitted from the flash may be obstructed by the lens barrel. Align the lens hood attachment index ( ) on the lens hood with the hood mounting index on the lens, and turn the hood counterclockwise (as viewed from the camera side) until it click stops. Make sure that the lens hood mounting index aligns with the lens hood setting index ( ). To facilitate attachment or removal of the hood, hold it by its base rather than its outer edge. While holding down the lens hood lock release button, turn the hood clockwise (as viewed from the camera side) to detach. If the lens mount rubber gasket is damaged, be sure to visit the nearest Nikon authorized dealer or service center for repair. [. . . ] (1) Focus on a different subject located at the same distance from the camera, then use the focus lock, recompose, and shoot. Also, refer to "Getting Good Results with Autofocus" in your camera's user's manual. [. . . ]