Lens · prime
Mamiya Sekor Z 180mm f/4.5 W-N
Mamiya
Discontinuedmedium-format
Mamiya Sekor Z 180mm f/4.5 W-N: 4 elements in 3 groups, 1.1m minimum focus, 77mm filter thread, 900g.
- Focal length
- 180mm
- Max aperture
- f/4.5
- Mount
- Mamiya RZ
- Format
- medium-format
- Elements / groups
- 4 / 3
Known for
- Portraits
- Fashion
- Beauty
- Headshots
Considerations
- Electronic Seiko #1 leaf shutter: needs camera battery power
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 telephoto
Rendering: Excellent portrait rendering
Colour: 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 RZ |
| Focal Length | 180mm |
| Max Aperture | f/4.5 |
| Min Aperture | f/45 |
| Min Focus | 1.1m |
| Filter Size | 77mm |
| Weight | 900g |
Optical design
| Formula | Tessar |
| Elements | 4 |
| Groups | 3 |
| Coating | Multi-Coated |
Pricing
- Typical used price (US market)
- $300 - $550
- Mint
- ~$700
Indicative, no dated source.