Arsat H 50mm f2.0 Lens Serial No. 9507890, Nikon F Bayonet mount, AI (Automatic Aperture Indexing Operation)

This lens is suitable for use on 35mm SLR cameras with Nikon F Bayonet mount and AI, such as  the Kiev 19M, and Nikon FM, FE, F2AS, F2A onwards, also F3 and Nikkormat FT3.  On such cameras, the lens is fully capable of full-aperture exposure measurement and automatic maximum aperture indexing.  This lens provides neither ADR (Aperture Direct Readout) nor the "pre-AI" meter-coupling prong.

Screw-in filters of 52mm diameter may be used in front of the lens.

Front and rear lens caps are included.

Aperture may be selected between f/2 and f/16.

Manual focusing from 0.5m to infinity.