macromedium-formatdiscontinued
Mamiya Sekor C 140mm f/4.5 Macro
Mamiya · 1975-1999
The Mamiya Sekor C 140mm f/4.5 Macro is the macro lens for the RB67 system, capable of 1:2 magnification without accessories. Also excellent as a general portrait lens. Equivalent to about 70mm on 35mm format.
Known for
- Macro photography
- Product shots
- Portraits
- Copy work
- Nature details
Considerations
- Heavy with extended helicoid
- Slower than non-macro
Optical Characteristics
Sharpness (wide)5/5
Sharpness (stopped)5/5
Contrast5/5
Flare Resistance4/5
CA Control4/5
Vignetting Control4/5
Distortion Control5/5
Bokeh: Smooth, flat field
Rendering: Excellent macro precision
Color: Neutral
Common Issues
- Helicoid can become stiff
Buying Guide
Check helicoid smoothness and shutter. Excellent dual-purpose lens.
Specifications
MountMamiya RB
Focal Length140mm
Max Aperturef/4.5
Min Aperturef/32
Aperture Blades6
Min Focus0.46m
Filter Size77mm
Weight1100g
Optical Design
FormulaPlanar
Elements6
Groups5
CoatingMulti-Coated
SpecialFloating elements
Pricing
£350 - £600
Typical used price
Mint: ~£750
Excellent macro and portrait
Last verified: Jan 2025Report an error