Pentax's premium APS-C pancake — 61mm equiv at f/2.8 with HD coating and Limited-series quality.
The Pentax HD DA 40mm f/2.8 Limited launched in 2013 as the HD-coated update of Pentax's beloved pancake prime. The Limited designation indicates Pentax's premium compact primes — machined aluminium with superior finishing. 61mm equivalent.
Optically good — sharp from f/4 with the 61mm equivalent providing a natural normal-to-slight-telephoto perspective. HD coating improves contrast and flare resistance over the older SMC version. The Limited pancake design is beautifully compact.
Pentax K mount with 49mm filter thread. Just 90g — incredibly thin and light. Machined aluminium construction — Limited quality feel. HD coating. Quick-shift Focus System. 40cm minimum focus distance.
Available used at budget to mid-range prices. The Limited pancake series is beloved in the Pentax community — excellent build quality in the smallest possible designs. For Pentax shooters wanting the most compact possible prime with premium construction.