Nikon Nikkor 20 mm f/ 2.8 Ai-S Lens
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|Format: 35mm SLR|
Type: Prime lens
Focusing: Manual Focus (MF)
Lens mounts: Nikon F (FX, DX), Nikon F (FX, DX)
First year of production: 1984
Optical design: 12 elements in 9 groups
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Views (9334)Average price: $600
|Focal length||Max. aperture||Min. aperture||Blades||Min. Focus (m.)||Filter Ø (mm.)||Weight (gr/oz)||Length (mm/in)|
The Nikon Nikkor 20 mm f/ 2.8 Ai-S
angle of view 94° for FX (71° for DX)
max. magnification 1:8.3
diameter 65 mm
length 42.5 mm
maximum length 54 mm
angle of focusing ring rotation 90°
RRP $ 675 (USA)
The Nikon Nikkor 20 mm f/ 2.8 Ai-Sis a wide-angle non-autofocus prime lens. It is rather compact in size.
The optical scheme of the lens includes 12 elements in 9 groups. The optical elements are multicoated and are configured in a “floating element” design for CRC.
The Nikon Nikkor 20 mm f/ 2.8 Ai-S was first presented in 1984 as a substitute for the Nikkor 20/3.5 Ai-S. It has been produced up to now.
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Posted by: serzot Date of publication: 20.04.2011