Lens · prime
Mamiya Sekor C 65mm f/4.5
Mamiya · from 1974
Discontinuedmedium-format
Mamiya Sekor C 65mm f/4.5: 8 elements in 7 groups, 77mm filter thread, 835g.
- Focal length
- 65mm
- Max aperture
- f/4.5
- Mount
- Mamiya RB
- Format
- medium-format
- Elements / groups
- 8 / 7
Known for
- Landscapes
- Environmental portraits
- Interiors
- Architecture
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)4, level 4 of 5
Sharpness (stopped)5, level 5 of 5
Contrast4, level 4 of 5
Flare resistance4, level 4 of 5
CA control4, level 4 of 5
Vignetting control3, level 3 of 5
Distortion control4, level 4 of 5
Bokeh: Naturalistic
Rendering: Wide angle with depth
Colour: Mamiya warm
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 | 65mm |
| Max Aperture | f/4.5 |
| Min Aperture | f/32 |
| Filter Size | 77mm |
| Weight | 835g |
Optical design
| Formula | Retrofocus |
| Elements | 8 |
| Groups | 7 |
| Coating | Multi-Coated |
Pricing
- Typical used price (US market)
- $250 - $450
- Mint
- ~$550
Indicative, no dated source.