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Best lenses for your Pentax K-50: Pentax lens overview

By Kevin Carter - Thursday August 22 2013

Lens Recommendations
Introduction | Pentax K-50 Best Prime | Pentax K-50 Best Zoom | Best Portrait lens | Best Standard zoom | Best Super-zoom

High-ratio zooms, or super-zooms as they’re often called, generally don’t perform well optically compared to more modest zoom models but what they lose in performance they make up for in convenience. The Pentax smc PENTAX DA 55-300mm F4-5.8 ED is the best performing lens of the five models in our database but unless you need the extra length and corresponding third stop extra in lens speed the Pentax smc Pentax DA 18-250mm F3.5-6.3 ED AL [IF] if you can still find it is the more versatile of the two and the best choice if only lens is used.  At $749 the newer SDM (ultrasonic type AF motor) equipped Pentax smc DA 18-270mm F3.5-6.3 ED SDM performs similarly, albeit with a slightly lower average sharpness across the range.

We’re working hard on expanding the range of Pentax lenses in our database, but we’re interested to know if there are certain models that you would like to see reviewed first. Please leave your recommendations in the comments section below.

Pentax smc PENTAX DA 55-300mm F4-5.8 ED47515
Pentax smc Pentax DA 18-250mm F3.5-6.3 ED AL [IF]   49913
Sigma 18-200mm F3.5-6.3 II DC OS HSM Pentax34913
Pentax smc DA 18-270mm F3.5-6.3 ED SDM74913
Pentax smc PENTAX DA 50-200mm F4-5.6 ED26112
Tamron AF18-200mm F/3.5-6.3 XR Di-II LD ASPHERICAL (IF) MACRO Pentax6459