Best lenses for the Pentax K-1
The K-1 uses the Pentax K mount with a full-frame sensor. We picked the best lens in each category from 8 native lenses, plus a cheaper alternative where one is worth having.
Pair the K-1 with the Pentax HD D FA 24-70mm f/2.8 ED SDM WR and add the Pentax HD FA 50mm f/1.8 for low light and portraits. When you need reach, the Pentax HD D FA 70-210mm f/4 ED SDM WR.
| Category | Best | Budget pick |
|---|---|---|
| Standard zoom Your everyday lens, from wide to short telephoto. | Pentax HD D FA 24-70mm f/2.8 ED SDM WR (24-70mm eq · £340 used) | — |
| Telephoto zoom For sport, events, wildlife at a distance and compressed portraits. | Pentax HD D FA 70-210mm f/4 ED SDM WR (70-210mm eq · £1,099 new) | — |
| Wide-angle For landscapes, architecture, interiors and the night sky. | Pentax HD D FA 15-30mm f/2.8 ED SDM WR (15-30mm eq · £1,399 new) | — |
| Fast standard prime Bright, small and cheap: for low light and creamy background blur that makes your subject stand out. The best first upgrade from a kit zoom. | Pentax HD D FA* 50mm f/1.4 SDM AW (50mm eq · £400 used) | Pentax HD FA 50mm f/1.8 (50mm eq · £199 new) |
Prices: MPB used where listed for Pentax K, otherwise typical new UK price (6 November 2026). Equivalent focal lengths account for the sensor size.
More for the K-1
Frequently asked questions
What is the best lens for the Pentax K-1?
For most people, a standard zoom such as the Pentax HD D FA 24-70mm f/2.8 ED SDM WR, plus a fast prime like the Pentax HD FA 50mm f/1.8.
What lenses fit the Pentax K-1?
The K-1 uses the Pentax K mount. Our database lists 8 lenses that fit natively.
Is the kit lens good enough for the K-1?
Kit zooms are fine to start with. The biggest improvement usually comes from a brighter prime for low light and portraits, or a better standard zoom.
What telephoto lens should I get for the K-1?
The Pentax HD D FA 70-210mm f/4 ED SDM WR is our top telephoto pick.