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Pentax Lens Terminology

The following terms are commonly used in Pentax lens names and descriptions.

LimitedCompact, top quality
EDExtra-low dispersion element
[IF]Internal focusing
ALAspherical element
SDMSupersonic drive motor
DC2nd-generation SDM
Quick ShiftManual focus adjustments can be made
in AF mode simply by moving focusing ring
OSOptical Stabilizer (Sigma)
HSMHypersonic Drive Motor (Sigma)

Pentax Lens Series

Pentax produced several series of lenses over the years. Series in active development include the DA (digital-only), DA L (budget kit lenses) and D-FA (digital-optimized full-frame ); some FA (full-frame) lenses are also still in production. Basic differences between them are outlined in the table below. Read more about the different series here.

 AutofocusQuick ShiftAuto-ApertureAperture RingDSLR-Compatibility

Exhaustive Lens Listings

We feature lens databases complete with every Pentax lens every produced, containing technical specifications as well as over 5,000 user-submitted reviews. Visit the databases!