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Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Manual Focus (MF)
Lens mounts: M39, M42, Nikon F (FX, DX), Pentax K
First year of production: 1968
Optical design: 4 elements in 3 groups
| User reviews (0) Photos (0) Tests (0) Owners (1) Views (12028) Average price: $7000 | Specifications:
Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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200mm | f/4.0 | f/22 | 10 | 1.7 | 58 | 740/26,1 | 150/5,9 |
| Additional information:
The Jupiter-21A 200 mm f/ 4 (Russian: Юпитер-21А) - telephoto prime lens for a 35mm SLR with a M42 screw mount.
This is early version of Jupiter-21M lens, but have most higher resolution and front- back- light resistance.
Links to online resources: Posted by: Nik_SSG Date of publication: 29.07.2012
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