[. . . ] When it is mounted to a camera body with the object-distanceinformation analysis function, object distance imforma-tion can be transferred to the camera body. The main features of this lens are as follows: · In addition, this lens is well suited for portraiture, night-time photography, and shooting under staglights. [. . . ] This lens cannot be used with the AF Finder DX-1 that is This lens can be used in both autofocus and manual focus mode. To select autofocus, simply push the A-M ring button and rotate the A-M ring until it clicka at "A". To select manal focus, push the A-M ring button and rotate the A-M ring until it clicks at "M". 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 attach the following accessories to the lens, as They might damage the lens CPU contacts: Auto Extension Ring pK-1, Auto Extension Ring PK-11, Auto Ring BR-4, Auto Ring BR-2 (use PK-11A instead of PK-11 and BR-6 instead of BR-4. ) Other accessories may not be suitable for use with certain camera bodies. ⷠReinforced plasitic is used for some parts of th lens exterior; to avoid demage, never leave the lens in an excessively hot place. Distance information Aperture scale Minimum aperture lock Diaphragm Exposure measurement 4 to f/16 on both standard and aperture-direct-readout scales : Provided : Fully automatic : Full-aperture method for Al cameras or cameras with CPU interface system; stopdown method for the other cameras : Nikon bayonet mount : 77mm (P=0. ** The first values are for the PK-1A rubg used alone and the other one for the PK-11A­­PK-13, PK-11­­PK-13 or PK-1­­PK-3 rings used together. However, the PK-11 and PK-1 rings cannot be attached dirctly to the lens. = Acceptable focusing The in-focus image in the central circular area may prove to be slightly out of focus on the film. When using screens other than type B or E, "Other screen" must be selected even when the required compensation value is "0" (no compensatio required). [. . . ] = Acceptable focusing The in-focus image in the central circular area may prove to be slightly out of focus on the film. When using screens other than type B or E, "Other screen" must be selected even when the required compensation value is "0" (no compensatio required). [. . . ]