macro35mmdiscontinued
SMC Pentax-M 50mm f/4 Macro
Pentax · 1977-1984
Compact macro lens. Reaches 1:2 magnification. Excellent sharpness.
Known for
- Macro
- Product photography
- Copy work
Considerations
- Slow aperture
- Only 1:2 without extension
Optical Characteristics
Sharpness (wide)5/5
Sharpness (stopped)5/5
Contrast5/5
Flare Resistance4/5
CA Control3/5
Vignetting Control3/5
Distortion Control4/5
Common Issues
- Check for fungus
- Inspect aperture blades
Buying Guide
Specifications
MountPentax K
Focal Length50mm
Max Aperturef/4
Min Aperturef/22
Aperture Blades5
Min Focus0.23m
Filter Size49mm
Weight150g
Optical Design
FormulaDouble Gauss
Elements4
Groups3
CoatingSMC (Pentax)
Pricing
£70 - £130
Typical used price
Mint: ~£180
Adapts To
Sony EFujifilm XCanon RFMicro Four Thirds
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