Lens · prime
Mamiya Sekor C 127mm f/3.8
Mamiya · from 1974
Discontinuedmedium-format
Mamiya Sekor C 127mm f/3.8: 5 elements in 3 groups, 77mm filter thread, 750g.
- Focal length
- 127mm
- Max aperture
- f/3.8
- Mount
- Mamiya RB
- Format
- medium-format
- Elements / groups
- 5 / 3
Known for
- Portraits
- Beauty
- Fashion
- Tight headshots
Considerations
- Leaf shutter in the lens: cock the camera and lens shutters before mounting
Optical characteristics
Silverlog's editorial rating: our own judgement, not measured data.
Sharpness (wide)5, level 5 of 5
Sharpness (stopped)5, level 5 of 5
Contrast5, level 5 of 5
Flare resistance4, level 4 of 5
CA control4, level 4 of 5
Vignetting control4, level 4 of 5
Distortion control5, level 5 of 5
Bokeh: Beautiful, creamy
Rendering: Excellent 3D pop
Colour: Warm Mamiya tones
Silverlog's editorial rating, 1 to 5; five is best. Not lab-measured.
Buying guide
Check the leaf shutter fires at all speeds, the aperture and focusing smoothness, and the condition of the glass.
Specifications
| Mount | Mamiya RB |
| Focal Length | 127mm |
| Max Aperture | f/3.8 |
| Min Aperture | f/32 |
| Filter Size | 77mm |
| Weight | 750g |
Optical design
| Formula | Planar |
| Elements | 5 |
| Groups | 3 |
| Coating | Multi-Coated |
Pricing
- Typical used price (US market)
- $150 - $300
- Mint
- ~$400
Indicative, no dated source.