zoom35mmdiscontinued
SMC Pentax-A 70-210mm f/4
Pentax · 1984-1996
Versatile telephoto zoom with constant aperture. Good for events.
Known for
- Events
- Wildlife
- Sports
Considerations
- Heavy
- Slow aperture
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)5/5
Contrast4/5
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 Length70-210mm
Max Aperturef/4
Min Aperturef/32
Aperture Blades7
Filter Size58mm
Weight670g
Optical Design
FormulaTelephoto
Elements14
Groups10
CoatingSMC (Pentax)
Pricing
£80 - £150
Typical used price
Mint: ~£200
Adapts To
Sony EFujifilm XCanon RFMicro Four Thirds
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Last verified: Jan 2026Report an error