N°8656907 · Family detail
TomiokaPortrait·M42 mount
Tomioka Chinon Auto 55mm F/1.4 [Multi-Coated]
Specifications01
MountM42
Focal length55mm
Max aperturef/1.4
TypePortrait · Prime
Weight300 g
Filter size55 mm
Min focus distance0.5 m
Aperture blades6
Optical elements7
Groups5
Aperture controlAperture ring (Manual settings only)
Lens hood<No data>
Sensor coverage35mm full frame
Production statusDiscontinued
Additional Info02
ClassUltra-fast full-frame standard prime lens
SystemChinon M42 (1973)
Focus TypeAutofocus
Focus ModesManual focus only
Angle Of View42.9° (35mm full frame)
Original NameTOMIOKA AUTO CHINON 1:1.4/55
Detail HeadingTomioka Chinon Auto 55mm F/1.4 [Multi-Coated]
Diaphragm TypeAutomatic (A)
Mount And FlangeM42 [45.5mm]
Country Of DesignJapan
Manual Focus ControlFocusing ring
Summary02
55mm F/1.4 standard/portrait prime for the M42 mount, suitable for low-light and shallow-depth-of-field portraits. Multi-coated optics help reduce flare.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The M42 screw mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Many M42 lenses close the aperture only when a pin at the rear is pressed. Use an adapter that presses the pin, or set the A/M switch to M.
- Sony EAdapter · 27.46 mm
- Canon RFAdapter · 25.46 mm
- Nikon ZAdapter · 29.46 mm
- Fujifilm XAdapter · 27.76 mm
- L-MountAdapter · 25.46 mm
- Micro Four ThirdsAdapter · 26.21 mm
- Fujifilm G (GFX)Adapter · 18.76 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 27.46 mm
- Canon EFAdapter · 1.46 mm
A rear element that sticks out can hit the camera mirror.
No plain adapter reaches infinity focus on: Nikon F.
Sources03
lens-db.comVisit ↗
![Tomioka Chinon Auto 55mm F/1.4 [Multi-Coated]](https://lens-db.com/wp-content/uploads/2012/09/TAC55F14-01.png)
Other Mounts03
No alternate mounts are indexed for this family yet.