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macro35mmdiscontinued

SMC Pentax-M 100mm f/4 Macro

Pentax · 1977-1984

Telephoto macro with excellent working distance. Very sharp.

Known for

  • Macro
  • Insects
  • Butterflies

Considerations

  • Only 1:2
  • Slow aperture

Optical Characteristics

Sharpness (wide)
5/5
Sharpness (stopped)
5/5
Contrast
5/5
Flare Resistance
4/5
CA Control
3/5
Vignetting Control
3/5
Distortion Control
4/5

Common Issues

  • Check for fungus
  • Inspect aperture blades

Buying Guide

Specifications

MountPentax K
Focal Length100mm
Max Aperturef/4
Min Aperturef/32
Aperture Blades6
Min Focus0.45m
Filter Size49mm
Weight345g

Optical Design

FormulaTelephoto
Elements5
Groups4
CoatingSMC (Pentax)

Pricing

£120 - £200

Typical used price

Mint: ~£280

Adapts To

Sony EFujifilm XCanon RFMicro Four Thirds

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