Lens · macro
Mamiya Sekor Z 140mm f/4.5 Macro W
Mamiya
Discontinuedmedium-format
Mamiya Sekor Z 140mm f/4.5 Macro W: 7 elements in 4 groups, 77mm filter thread.
- Focal length
- 140mm
- Max aperture
- f/4.5
- Mount
- Mamiya RZ
- Format
- medium-format
- Elements / groups
- 7 / 4
Known for
- Macro
- Product
- Portraits
- Copy work
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: Flat field, smooth
Rendering: Excellent macro and portrait
Colour: Neutral
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 | 140mm |
| Max Aperture | f/4.5 |
| Min Aperture | f/32 |
| Filter Size | 77mm |
Optical design
| Formula | Planar |
| Elements | 7 |
| Groups | 4 |
| Coating | Multi-Coated |
| Special | Floating elements |
Pricing
- Typical used price (US market)
- $400 - $700
- Mint
- ~$850
Indicative, no dated source.