primemedium-formatdiscontinued
Mamiya Sekor Z 50mm f/4.5 W
Mamiya · 1987-2014
The Mamiya Sekor Z 50mm f/4.5 W is the ultra-wide option for the RZ67 system, roughly equivalent to 25mm on 35mm format. The "W" indicates the improved version with better coatings and corner performance.
Known for
- Architecture
- Landscapes
- Interiors
- Creative
Considerations
- Distortion visible
- Vignetting at edges
- Hood essential
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)5/5
Contrast4/5
Flare Resistance3/5
CA Control4/5
Vignetting Control3/5
Distortion Control3/5
Bokeh: Ultra-wide character
Rendering: Dramatic perspectives
Color: Neutral
Common Issues
- Electronic shutter requires battery
Buying Guide
Check electronics. W version preferred.
Specifications
MountMamiya RZ
Focal Length50mm
Max Aperturef/4.5
Min Aperturef/22
Aperture Blades6
Min Focus0.4m
Filter Size77mm
Weight1150g
Optical Design
FormulaRetrofocus
Elements12
Groups8
CoatingMulti-Coated
SpecialAspherical
Pricing
£450 - £750
Typical used price
Mint: ~£900
Ultra-wide for RZ67
Last verified: Jan 2025Report an error