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prime35mmdiscontinued

SMC Pentax-M 24mm f/2.8

Pentax · 1977-1984

Compact ultra-wide with good optics. Excellent value for wide-angle work.

Known for

  • Landscapes
  • Architecture
  • Interiors

Considerations

  • Some barrel distortion
  • Edge softness

Optical Characteristics

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

Common Issues

  • Check for fungus
  • Inspect aperture blades

Buying Guide

Specifications

MountPentax K
Focal Length24mm
Max Aperturef/2.8
Min Aperturef/22
Aperture Blades6
Filter Size49mm
Weight215g

Optical Design

FormulaRetrofocus
Elements9
Groups8
CoatingSMC (Pentax)

Pricing

£100 - £180

Typical used price

Mint: ~£250

Adapts To

Sony EFujifilm XCanon RFMicro Four Thirds

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Last verified: Jan 2026Report an error
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