K-mount DSLRs
As of March 2018, 32 different models have been released. All K-series bodies (except the full-frame K-1) have APS-C 1.5x crop sensors and Pentax K lens mounts.
MZ series
Pentax MZ-D (2000) — prototype, did not reach production
*ist series
Pentax *ist D
Pentax *ist D (2003)
Pentax *ist DS (2004)
Pentax *ist DL (2005)
Pentax *ist DS2 (2004)
Pentax *ist DL2 (2005)
K series
Pentax K100D with 18-55 mm zoom lens
Pentax K-1 with D-BG6 battery grip
Pentax K100D (2006)
Pentax K110D (2006)
Pentax K10D (2006)
Pentax K100D Super (2007)
Pentax K200D (2008)
Pentax K20D (2008)
Pentax K-m (K2000) (2008)
Pentax K-7 (2009)
Pentax K-x (2010)
Pentax K-r (2010)
Pentax K-5 (2010)
Pentax K-30 (2012)
Pentax K-5 II (2012) — replacement for the enthusiast-level K-5
Pentax K-5 IIs (2012) — similar to the K-5 II, except that the sensor lacks an anti-aliasing filter
Pentax K-3 (2013) — high-end APS-C model above the K-5 series
Pentax K-50 (2013) — replacement for the mid-range K-30
Pentax K-500 (2013) — entry level
Pentax K-S1 (2014) — mid-level compact APS-C DSLR
Pentax K-S2 (2015) — mid-level compact APS-C DSLR
Pentax K-3 II (2015) — high-end APS-C model, enhanced K-3 (GPS, Astrotracer and Pixel Shift Resolution)
Pentax K-1 (2016) — brand's first full-frame model
Pentax K-70 (2016) — replacement for the mid-range K-50
Pentax KP (2017) — higher-end APS-C model
Pentax K-1 II (2018) — replacement for the K-1
Medium-format DSLRs
.
.