User manual NIKON AF NIKKOR 50MM F1.4D

[. . . ] Before using you new lens, read the following information carefully so you can get the most out of you lens now and for years to come. [. . . ] And smudges, use a soft, clean cotton cloth or lens tissue moistened with lens cleaner (separately availavle). Wipe in a circular motion from center to outer edge, taking care not to leave traces and not to touch the other lens parts. To proect the lens surface from dirt or damage, the use of an NC filter is recommended at all times. the lens hood also helps to protect the lens. To protect the lens surface from dirt or damage, replace both the front and rear caps whenever the lens is not in use. Do not splash water on the lens or drop it in the water because this will cause it to rust and malfunction. 4 : 7 elements in 6 groups : 46° : Output of object distance information to the camera body is possible : Graduated in meters and feet from 0. 4 to f/16 on both standard and aperture-direct-readout scales : Provided : Fully automatic : Via full-aperture method with Al cameras or cameras with CPU interface system; via stop-down method for the other cameras : Nikon bayonet mount : 52mm (P=0. [. . . ] The figures shown here represent the ranges obtained with the subject on the beseplate, using the lens without any close-up attachment. [. . . ]