NIKKOR Ai-S 15mm 1:3.5

NIKKORAi-S 15mm F/3.5

S.N. 180001 - 188612

Dec. 1981 - Dec. 2005

Nikkor MF 15mm F/3.5

1978 - 2006

Nikon 13mm f/5.6 AI-s, 15mm f/3.5 AI-s, 14mm f/2.8 AF-D and 14-24mm AFS.

http://kenrockwell.com/nikon/1535.htm

Specifications of 15mm f/3.5s

Focal length/Aperture : 15mm f/3.5
Lens construction : 14 elements in 11 groups

Picture angle : 110°

Diaphragm : Automatic
Aperture scale : f/3.5~ f/22 on both standard and aperture-direct-readout scales

Exposure measurement : Via full aperture method with AI cameras. Via stop-down method with non-AI cameras. Distance scale : Graduated in meters and feet from 0.3m (1 ft.) to infinity (OO) Weight : 630g Maximum Reproduction ratio : 1:12.5 Dimensions : 90mm dia. x 94mm long (overall) 88.5mm extension from lens flange

Filters : Rear-attachment bayonet type; Skylight (L1BC). orange (O56), light amber (A2). and light blue (B2)
Front lens cap : slip-on; Lens hood: Built-in scalloped type; Lens case: CL-17 hard leatherette
Usable teleconverter(s) : TC-200, TC-201, TC-14A

Warning: Certain AE modes (Programmed AE and Shutter Priority AE) on selective Nikon SLRs will not work efficiently with older TC devices.

Use an Ai-S version for better compatibility, read the respective Tele-Extender(s) sections.

NOTE: Serial Number believed to have started from 177051 for earlier Ai-Spec version, 180001 onwards for Ai-S models