User manual NIKON AI-S AF DC-NIKKOR 135MM F/2

[. . . ] Thank you for purchasing the AF DC-Nikkor 135mm f/2 lens. Before using your new lens, read this manual carefully so you get the maximum value from your lens now and for years to come. €¢ Be careful not to soil or damage the CPU contacts. [. . . ] €¢ With a Nikon autofocus camera, improperly setting the camera's focus mode selector and lens' A-M ring may damage the camera body. €¢ With the DC ring set at either the F or R side, the focusing ring will shift slightly from its original position. Nikon Rear Focusing (RF) System A system in which the rear lens elements move inside the lens, there is absolutely no increase in the overall length of the lens barrel as the lens is focused closer. 12 RECOMMENDED FOCUSING SCREEN Various interchangeable focusing screens are available for Nikon cameras to suit any type of lens or picture-taking situation. Those which are recommended for use with your lens are listed. ^ \ ^ Camera Screen A/L ^ \ © © B C D E G1 G2 G3 © (-1) © (-1) © 0 (+1/2) ( + 1/2) © (+1/2) G4 H1 H2 H3 H4 J K/P M A T" U" F F4 with DP-20 H with DA-20 F3\ F2 @ 9 © © © © © © A 9 © © 9 e 9 o O © © = Excellent focusing O = Acceptable focusing Slight vignetting or moire phenomenon affects screen image, but film image shows no traces of this. A = Acceptable focusing • The in-focus image in the central circular area may prove to be slightly out of focus on the film. For F4-series cameras, compensate using the Exposure Compensation Dial for the focusing screens. (See the F4/F4s instruction manual , page 78). Since type M screen can be used for both macrophotography at a 1:1 magnification ratio and for photomicrography, it has different applications than other screens. * For F3-series cameras , exposure compensation is not necessary. ** Screens T and U are not available for use with F2-series cameras. For the K2, B2 and E2 focusing screens, refer to the columns on the K, B and E screens, respectively. For details, also refer to the specific camera's instruction manual. [. . . ] 1m (4 feet) to infinity (oo) f/2 to f/16 on both standard and aperture-directreadout scales Provided Fully automatic Nikon Rear Focusing (RF) system Via full-aperture method for Al cameras or cameras with CPU interface system; via stop-down method for other cameras Nikon bayonet mount 72mm (P = 0. 5 (in) Ring PK Ring PN Bellows PB-4, PB-5 Bellows PB-6 Extension Bellows PB-6E * The first values are for the PK-11A ring used alone and the other ones for the PK-11A—PK-13, PK-11—PK-13, or PK-1—PK-3 rings used together. The PK-11 and PK-1 rings cannot be attached directly to the lens. [. . . ]