MIR-20M 20 mm f/3.5 M42 ultra-wide-angle fast lensCarl Zeiss Flektogon copy
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Delivery Time 7 - 21 Business days
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MIR-20M 20 mm f/3.5 M42 ultra-wide-angle fast lens
Carl Zeiss Flektogon copy
Mir-20 20mm f/3.5 is an interchangeable ultra-wide-angle fast lens.
The basis of the optical scheme of the Mir-20 lens was borrowed from the Carl Zeiss Jena Flektogon 20 mm f/2.8 lens. Some changes have been made to the scheme.
The lens produces a sharp image, especially in the central region, already from aperture 3.5, from aperture 5.6 it is very sharp. The drop in resolution at the edges of the frame is quite noticeable.
The Mir-20 20mm f/3.5 has almost no geometrical distortions.
Color reproduction is bright and saturated. Slightly shifted to the area ofwarm tones.
The Mir-20 lens is perfect for shooting landscapes, interiors, architecture, genre and reportage. Fits well on modern digital SLR cameras. When set to hyperfocal distance, you can forget about autofocus and shoot very quickly.
Mir-20 20mm f/3.5 lens features
96° diagonal field of view
Resolution (0/10/20mm)1): 50/35/30 lines/mm
Specification resolution (center/edge): 50/20 lines/mm
Light transmission coefficient: Mir-20M - 0.75; MC Mir-20M - 0.90
Color formula: Mir-20M - 11-0-2; MC Mir-20M -- 11-0-0
Geometric Vignetting: 40%
Lens length with caps: Mir-20M - 68 mm;
The largest frame diameter: Mir-20M - 92 mm;
Format: 35mm mirror SLR/DSLR
Type: Fixed focal length (fixed)
Focus: Manual focus
System: M42, Nikon F (FX, DX), Pentax K
Year of production start: 1973
End of production year: 1996
Optical design: 9 elements in 8 groups
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