Sigma 30mm lens for Pentax K-7, K-5, K-5 II, K-5 IIs etc

Started Dec 7, 2012 | Discussions thread
miles green
miles green Veteran Member • Posts: 6,436
Re: Sigma 30mm lens for Pentax K-7, K-5, K-5 II, K-5 IIs etc

Pentax has its 31mm f/1.8 limited, which is as close as it comes with respect to length and speed. The Pentax is a FF lens, the Sigma is not.The 31 is much more expensive: build is flawless, it's sharp to the edges wide open, and has beautiful bokeh - a very difficult combination especially on a wide-angle lens (on FF).

Sigma primes, and this one especially, focus on center sharpness. The edges are not too good wide open. This may not be a show stopper however. It's by no means a bad lens.I had a look at it a couple of years ago and decided to stretch for the Pentax.

Sigma just announced a higher-end line of primes including a 35mm f/1.4. I think this would be a more evenly-matched comparison.

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Miles Green
Pentaxian with chronic LBA
Corfu, Greece

 miles green's gear list:miles green's gear list
Pentax K-1 Sigma 70-200mm F2.8 EX DG Macro HSM II Pentax smc DA 21mm F3.2 AL Limited Pentax smc FA 31mm F1.8 AL Limited Pentax smc FA 43mm F1.9 Limited +8 more
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