Pentax (Ricoh) · since 1975 · 45.46mm flange distance
Pentax K mount
Full frame and APS-C. The mount has stayed backwards-compatible for half a century.
Third-party lenses
Sigma, Tamron and Samyang (manual), plus decades of compatible older lenses.
Adapters
Film-era K lenses work, with in-body stabilisation.
7 camera bodies
13 native lenses (4 third-party)
| Lens | Maker | Coverage | Focal | Aperture | New ≈ | Used (MPB) |
|---|---|---|---|---|---|---|
| Pentax HD DA 11-18mm f/2.8 ED DC AW | First-party | APS-C | 11-18mm | f/2.8 | £899 | £659 |
| Samyang 14mm f/2.8 ED AS IF UMC (manual) | Third-party (manual focus) | Full frame | 14mm | f/2.8 | £299 | — |
| Pentax HD D FA 15-30mm f/2.8 ED SDM WR | First-party | Full frame | 15-30mm | f/2.8 | £1,399 | — |
| Pentax HD DA 16-85mm f/3.5-5.6 ED DC WR | First-party | APS-C | 16-85mm | f/3.5-5.6 | £549 | £294 |
| Sigma 17-50mm f/2.8 EX DC OS HSM | Third-party | APS-C | 17-50mm | f/2.8 | £349 | — |
| Sigma 18-35mm f/1.8 DC HSM Art | Third-party | APS-C | 18-35mm | f/1.8 | £649 | — |
| Pentax HD D FA 24-70mm f/2.8 ED SDM WR | First-party | Full frame | 24-70mm | f/2.8 | £1,099 | £289–399 |
| Sigma 35mm f/1.4 DG HSM Art | Third-party | Full frame | 35mm | f/1.4 | £699 | £399–419 |
| Pentax HD FA 50mm f/1.8 | First-party | Full frame | 50mm | f/1.8 | £199 | — |
| Pentax HD D FA* 50mm f/1.4 SDM AW | First-party | Full frame | 50mm | f/1.4 | £1,099 | £389–419 |
| Pentax HD DA 55-300mm f/4.5-6.3 ED PLM WR RE | First-party | APS-C | 55-300mm | f/4.5-6.3 | £399 | £84–344 |
| Pentax HD D FA 70-210mm f/4 ED SDM WR | First-party | Full frame | 70-210mm | f/4 | £1,099 | — |
| Pentax HD D FA 150-450mm f/4.5-5.6 ED DC AW | First-party | Full frame | 150-450mm | f/4.5-5.6 | £1,999 | £1,049–1,179 |