Mir-20N 20mm F/3.5 MC

akaМИР-20Н 20mm F/3.5 МС

Ultra-wide angle prime lens • Film era • Discontinued

  • Announced:
  • · 1981
  • Production status:
  • ● Discontinued
  • Country of design:
  • · USSR (Union of Soviet Socialist Republics)
  • Original name:
  • · МС МИР-20Н 3.5/20
  • Class:
  • · Slow full-frame ultra-wide angle prime lens
  • · Professional model
  • System:
  • · Kiev-17/19/20 (1978)

Abbreviations

MC Multi-layer anti-reflection coating is applied to the surfaces of lens elements. This anti-reflection coating increases light transmission, eliminates flare and ghosting, and maintains color consistence among all lens models.

Specification

Optical design:
35mm full frame
20mm
F/3.5
9 elements in 8 groups
Nikon F [46.5mm]
94.5° (35mm full frame)
On Nikon D APS-C [1.53x] cameras:
35mm equivalent focal length:
30.6mm (in terms of field of view)
35mm equivalent speed:
F/5.4 (in terms of depth of field)
Diagonal angle of view:
70.5°
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings only)
5 (five)
Focusing:
0.18m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
390g
⌀80×61mm
Accessories:
<No data>
<No data>
<No data>

Source of data

  • Manufacturer's technical data.

From the editor

The lens was produced by the Arsenal Plant (USSR) since approximately 1981 (in the magazine "Советское Фото" this year was indicated as the year of the planned start of production of the lens).

Optically the lens is the same as the Mir-20M 20/3.5 MC, but has the Nikon F mount (hence "Н" in the lens name) and accepts front 95mm screw-in filters with adapter 77/95.

Light transmission: 0.90. Resolving power, mm-1: at the center of the field: 50, at the edges of the field: 20.

Other ultra-wide angle prime lenses in the Kiev-17/19/20 system

■Nikon F mount (1)
Mir-73N 20mm F/2.8 MC
akaArsat-H 20mm F/2.8		A10 - 80.25m⌀62 ●

Lenses with similar focal length

■Nikon F mount (37)
Cosina Voigtlander Color-Skopar 20mm F/3.5 Aspherical SL IIA9 - 60.20m⌀52 2009 ●
Cosina Voigtlander Color-Skopar 20mm F/3.5 Aspherical SL II NA9 - 60.20m⌀52 2012 ●
Cosina Wide Angle 20mm F/3.8 MCA9 - 80.20m⌀62 ●
Irix 21mm F/1.4 SLRA15 - 110.30m-- 2022 ●
Nikon AI-S Nikkor 20mm F/2.8A12 - 90.25m⌀62 1984 ●
Nikon AI-S Nikkor 18mm F/3.5A11 - 100.25m⌀72 1981 ●
Nikon AI-S Nikkor 20mm F/3.5A11 - 80.30m⌀52 1981 ●
Nikon Nikkor 18mm F/4A13 - 90.30m⌀86 1974 ●
Nikon AI Nikkor 18mm F/4A13 - 90.30m⌀86 1977 ●
Nippon Kogaku Nikkor-O 21mm F/4 • Pancake lensM8 - 40.90m⌀52 1959 ●
Nippon Kogaku / Nikon Nikkor-UD Auto 20mm F/3.5A11 - 90.30m⌀72 1967 ●
Nikon Nikkor 20mm F/4A10 - 80.30m⌀52 1974 ●
Nikon AI Nikkor 20mm F/4A10 - 80.30m⌀52 1977 ●
Nikon AI Nikkor 20mm F/3.5A11 - 80.30m⌀52 1977 ●
Norita Kogaku Noritar 17mm F/4A11 - 100.30m⌀72 1972 ●
Panagor Auto Wide Angle 21mm F/4A9 - 70.16m⌀82 ●
Sigma MF 18mm F/3.5 ZENA10 - 90.25m⌀72 1992 ●
Sigma MF Ultra-Wide 18mm F/2.8 Multi-Coated IIA10 - 90.25m⌀72 1984 ●
Sigma MF Ultra-Wide 18mm F/2.8 Multi-CoatedA11 - 90.25m⌀67 1980 ●
Sigma MF 18mm F/2.8 FiltermaticA12 - 90.23m⌀77 1978 ●
Soligor Wide-Auto 17mm F/3.5 [MC] (s/n 1xxxxxxx)A11 - 80.22m⌀72 ●
Soligor C/D Wide-Auto 20mm F/2.8 MCA9 - 70.20m⌀58 ●
Soligor Wide-Auto 21mm F/3.8 (s/n 1xxxxxxx)A9 - 80.35m⌀72 ●
Zenitar 20mm F/2.8 MC
akaЗЕНИТАР-К 20mm F/2.8 МС
akaЗЕНИТАР-М 20mm F/2.8 МС
akaЗЕНИТАР-Н 20mm F/2.8 МС
akaЗЕНИТАР-С 20mm F/2.8 МС		A10 - 90.25m⌀67 ●
Spiratone Ultra Wideangle 18mm F/3.5 Pluracoat [I]A11 - 80.22m⌀72 1979 ●
Spiratone Ultra Wideangle 18mm F/3.5 Pluracoat [II]A11 - 90.25m⌀67 ●
Spiratone 20mm F/2.8 Plura-CoatA9 - 70.20m⌀58 1983 ●
Tokina 17mm F/3.5 RMC Type 2
akaSpiratone Ultra Wideangle 17mm F/3.5 Pluracoat
akaTokina SL 17mm F/3.5		A11 - 90.25m⌀67 1980 ●
Tokina Wide-Auto 17mm F/3.5 RMC Type 1A11 - 80.22m⌀72 ●
Vivitar Auto Wide-Angle 20mm F/3.8 (s/n 22xxxxxx)A9 - 70.15m⌀82 1969 ●
Vivitar Auto Wide-Angle 17mm F/3.5 (s/n 37xxxxxx)A11 - 80.22m⌀72 1976 ●
Vivitar Wide-Angle 17mm F/3.5 MC (s/n 37xxxxxx)A11 - 90.25m⌀67 ●
Vivitar Wide Angle 19mm F/3.8 MC (s/n 9xxxxxxx)A9 - 80.20m⌀62 ●
Carl Zeiss Classic Distagon T* 18mm F/3.5 ZE / ZF / ZF.2 / ZKA13 - 110.30mE82 2008 ●
Carl Zeiss Classic Distagon T* 21mm F/2.8 ZE / ZF / ZF.2 / ZKA16 - 130.22mE82 2008 ●
ZEISS Milvus Distagon T* 21mm F/2.8 ZE / ZF.2A16 - 130.22mE82 2015 ●
ZEISS Milvus Distagon T* 18mm F/2.8 ZE / ZF.2A14 - 120.25mE77 2016 ●
■Interchangeable mount (6)
Sigma[-XQ] MF [Widerama] 18mm F/3.2 [Multi-Coated] [YS]
akaAccura/Sigma 18mm F/3.2
akaSpiratone 18mm F/3.2
akaSpiratone 18mm F/3.5		A12 - 100.17m⌀72 1972 ●
Soligor Wide-Auto 21mm F/3.8 (s/n 1xxxxxx) [T-4]A9 - 80.35m⌀72 1970 ●
Tamron SP 17mm F/3.5 51B [Adaptall-2]A12 - 100.25m-- 1979 ●
Tamron SP 17mm F/3.5 151B [Adaptall-2]A12 - 100.25m-- 1984 ●
Tamron Auto 21mm F/4.5 [Adapt-A-Matic]A8 - 60.25m⌀82 1970 ●
Vivitar Auto Wide-Angle 21mm F/3.8 (s/n 37xxxxxxx) [T-4]A9 - 80.35m⌀72 ●

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