prime35mmdiscontinued
SMC Pentax-A* 300mm f/2.8 ED
Pentax · 1984-1996
Professional super-telephoto. Extremely rare and highly sought after.
Known for
- Sports
- Wildlife
- Professional work
Considerations
- Very heavy
- Requires tripod
- Very expensive
Optical Characteristics
Sharpness (wide)5/5
Sharpness (stopped)5/5
Contrast5/5
Flare Resistance4/5
CA Control5/5
Vignetting Control3/5
Distortion Control4/5
Bokeh: Exceptional professional quality
Common Issues
- Check for fungus
- Inspect aperture blades
Buying Guide
Specifications
MountPentax K
Focal Length300mm
Max Aperturef/2.8
Min Aperturef/32
Aperture Blades9
Filter Size112mm
Weight2200g
Optical Design
FormulaTelephoto
Elements8
Groups6
CoatingSMC (Pentax)
Special2 ED glass
Pricing
£1500 - £2500
Typical used price
Mint: ~£3500
Adapts To
Sony EFujifilm XCanon RFMicro Four Thirds
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Last verified: Jan 2026Report an error