primemedium-formatdiscontinued
Mamiya Sekor C 65mm f/4.5
Mamiya · 1970-1999
The Mamiya Sekor C 65mm f/4.5 is the wide angle for the RB67 system, roughly equivalent to 32mm on 35mm format. Retrofocus design allows proper rear clearance for the rotating back. Great for landscapes and environmental portraits.
Known for
- Landscapes
- Environmental portraits
- Interiors
- Architecture
Considerations
- Some vignetting wide open
- Moderate distortion
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)5/5
Contrast4/5
Flare Resistance4/5
CA Control4/5
Vignetting Control3/5
Distortion Control4/5
Bokeh: Naturalistic
Rendering: Wide angle with depth
Color: Mamiya warm
Common Issues
- Check for fungus in humid climates
Buying Guide
Good wide option for RB67. Check optics carefully.
Specifications
MountMamiya RB
Focal Length65mm
Max Aperturef/4.5
Min Aperturef/32
Aperture Blades6
Min Focus0.4m
Filter Size77mm
Weight850g
Optical Design
FormulaRetrofocus
Elements8
Groups6
CoatingMulti-Coated
Pricing
£250 - £450
Typical used price
Mint: ~£550
Wide angle for RB67
Last verified: Jan 2025Report an error