Nikon 20mm f/3.5 Ai-s
This "like new" Nikon 20mm f/3.5 Ai-s is a great "unknown" lens made by Nikon in Japan only for a short time in 1981.
It is extremely small and takes Nikon's standard 52mm filters.
It has excellent optics and superb all-metal mechanics.
It works perfectly on all Nikon Full-Frame digital cameras, as well as APS-C cameras and 35mm cameras.
Optics: 11 elements in 8 groups.
Traditional spherical design.
Focal Length: 20mm. Used on a DX camera it gives angles of view similar to what a 30mm lens would give on an FX or 35mm film camera.
Angle of View: 94° on FX and 35mm,, 71° on small-format DX.
Diaphragm: 7 blades, Stops down to f/22.
Focus: Manual, minimum distance: 1 foot (0.3m), does not rotate.
Maximum Reproduction Ratio: 1:10.8.
Depth-of Field Scale
Infra-Red Focus Index
Filter Thread: 52mm, all metal.
Size: 50.5 x 63.5mm
Any dust that appears in these photos is on the outside surface only, not inside the lens.
This lens is truly equal to a brand new lens.
Nikon front and rear caps included.
$375 + $10 shipping
I had one years ago, it's a great lens, quite small for a 20mm and sharp, sharp sharp. GLWS, Bob.
Agree, a lovely little lens. Very short focus throw! Doesn't seem to flare at all -- useful for a 20mm.