Tomioka Tominon Auto 21mm F/3.5

akaTomioka Chinon Auto 21mm F/3.5

Ultra-wide angle prime lens • Film era • Discontinued

  • Announced:
  • · No data
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · TOMIOKA AUTO TOMINON 1:3.5/21
  • Class:
  • · Slow full-frame ultra-wide angle prime lens
  • · Professional model
  • System:
  • · Chinon M42 (1973)

Specification

Optical design:
35mm full frame
21mm
F/3.5
9 elements in 8 groups
M42 [45.5mm]
91.7° (35mm full frame)
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings only)
6 (six)
Focusing:
0.30m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
<No data>
<No data>
Accessories:
Screw-type 72mm
<No data>
<No data>

Source of data

  • Own research.

From the editor

The lens was also sold under the name TOMIOKA AUTO CHINON 1:3.5/21.

Lenses with similar focal length

■M42 mount (43)
Asahi Super-Takumar 24mm F/3.5 [43961]A9 - 80.25m⌀58 1967 ●
Asahi Super-Multi-Coated Takumar 20mm F/4.5 [43952]A11 - 100.20m 1971 ●
Asahi Super-Takumar 20mm F/4.5 [43951]A11 - 100.20m 1968 ●
Asahi Super-Multi-Coated Takumar 24mm F/3.5 [43962]A9 - 80.25m⌀58 1972 ●
Chinon 24mm F/2.5 Multi Coated
akaAuto-Alpa 24mm F/2.5 Multi-Coated		A10 - 90.25m⌀55 ●
Cosina Wide Angle 20mm F/3.8 MCA9 - 80.20m⌀62 ●
Cosina 24mm F/2.8 MC Macro
akaCarl Zeiss Jena II 24mm F/2.8 MC Macro
akaPhoenix 24mm F/2.8 Macro		A7 - 70.19m⌀52 ●
Enna Munchen Lithagon 24mm F/4P7 - 70.25m⌀52 1960 ●
Fuji Photo Film EBC Fujinon-SW 19mm F/3.5A11 - 80.30m⌀72 ●
Fuji Photo Film EBC Fujinon-SW 24mm F/2.8A9 - 80.30m⌀49 ●
Hanimex Wide-Auto 21mm F/3.8A9 - ?0.30m⌀72 ●
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 ●
Mamiya/Sekor SX Auto 21mm F/4A9 - 80.45m⌀58 1974 ●
Panagor Auto Wide Angle 21mm F/4A9 - 70.16m⌀82 ●
Panagor Auto Wide-Angle 24mm F/2.5 PMCA? - ?0.30m⌀55 ●
Ricoh Rikenon 21mm F/3.8A9 - 80.30m⌀72 ●
Ricoh Rikenon 24mm F/2.8A10 - 80.20m⌀62 ●
Sigma MF Super-Wide 24mm F/2.8 Multi-Coated IIA8 - 70.18m⌀52 1988 ●
Sigma MF Ultra-Wide 18mm F/2.8 Multi-Coated IIA10 - 90.25m⌀72 1984 ●
Sigma MF Super-Wide 24mm F/2.8 Multi-CoatedA7 - 70.18m⌀52 1981 ●
Sigma MF Ultra-Wide 18mm F/2.8 Multi-CoatedA11 - 90.25m⌀67 1980 ●
Sigma[-XQ] MF 24mm F/2.8 Filtermatic Multi-CoatedA10 - 80.25m⌀62 1978 ●
Sigma MF 18mm F/2.8 FiltermaticA12 - 90.23m⌀77 1978 ●
Sigma-Z MF 24mm F/2.8 [Multi-Coated]A10 - 80.25m⌀62 1975 ●
Soligor G/S Wide-Auto 24mm F/2.5 MC (s/n 3xxxxxx)A9 - 70.30m⌀55 ●
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 ●
Mir-20M 20mm F/3.5
akaМИР-20М 20mm F/3.5		A9 - 80.18m-- 1973 ●
Jupiter-Super-M 20mm F/2.8 MCA10 - 90.25m-- 1998 ●
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 ●
Mir-20M 20mm F/3.5 MC
akaМИР-20М 20mm F/3.5 МС		A9 - 80.18m-- 1989 ●
Mir-47M 20mm F/2.5 MC
akaМИР-47М 20mm F/2.5 МС		A10 - 90.30m-- ●
Spiratone Ultra Wideangle 18mm F/3.5 Pluracoat [I]A11 - 80.22m⌀72 1979 ●
Tokina 24mm F/2.8 RMC
akaTokina SL 24mm F/2.8 [I]		A8 - 80.27m⌀52 ●
Vivitar Auto Wide-Angle 20mm F/3.8 (s/n 22xxxxxx)A9 - 70.15m⌀82 1969 ●
Vivitar [Auto] Wide-Angle 24mm F/2 [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxxx)A8 - 70.25m⌀58 1976 ●
Yashica Yashinon-DX 21mm F/3.3M8 - 50.80m⌀55 1967 ●
Yashica Yashinon-DS Auto 20mm F/3.3A11 - 90.30m⌀72 ●
Yashica Yashinon-DS 21mm F/3.3M8 - 50.80m⌀55 ●
Yashica Yashinon DS-M Auto 24mm F/2.8A9 - 80.30m⌀62 ●
Carl Zeiss Jena DDR Flektogon 20mm F/4A10 - 60.16mE77 1963 ●
Carl Zeiss Jena DDR Flektogon 20mm F/2.8 [electric] MCA9 - 80.19mE67 1976 ●
■Interchangeable mount (14)
Sankyo Kohki W-Komura 24mm F/3.5 [Unidapter Auto]A7 - ?0.26m⌀52 ●
Komuranon 24mm F/2.5 K·M·CA11 - 80.26m⌀58 1974 ●
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 ●
Sigma[-XQ] MF [Wide] 24mm F/2.8 Filtermatic [Multi-Coated] [YS]A10 - 80.20m⌀62 1972 ●
Soligor Wide-Auto 21mm F/3.8 (s/n 1xxxxxx) [T-4]A9 - 80.35m⌀72 1970 ●
Soligor Wide-Auto 24mm F/2.8 (s/n 1xxxxxxx) [T-4]A8 - 70.30m⌀67 ●
Tamron 24mm F/2.5 MC 01B [Adaptall-2]A10 - 90.25m⌀55 1979 ●
Tamron 24mm F/2.5 01BB [Adaptall-2]A10 - 90.25m⌀55 1987 ●
Tamron 24mm F/2.5 CW-24 [Adaptall]A10 - 90.25m⌀55 1976 ●
Tamron Auto 21mm F/4.5 [Adapt-A-Matic]A8 - 60.25m⌀82 1970 ●
Tamron Auto 24mm F/3.5 [Adapt-A-Matic]A8 - 60.25m⌀72 1971 ●
Vivitar Auto Wide-Angle 21mm F/3.8 (s/n 37xxxxxxx) [T-4]A9 - 80.35m⌀72 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxx) [T-4]A8 - 70.30m⌀67 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxxx) [TX]A8 - 70.23m⌀58 1976 ●

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