All K-series bodies (except the full-frame K-1) have APS-C 1.5x crop sensors and Pentax K lens mounts.
Pentax currently makes a variety of sport optics, including binoculars.
The Pentax line of medical imaging devices was retained by Hoya Corporation when the camera business was sold to Ricoh.
The Pentax line of surveying instruments was sold to a Taiwanese company.
- PLM (Pulse) Glass: AL (aspheric lens) - ED (extra low dispersion lens) Coating: smc (super multi coating) - HD (high definition coating) Sealing: WR (weather resistant) - DA* (lens is sealed) - AW (All Weather) Features: PZ (Power Zoom) - QS (Quick Shift, most DA & all D FA lenses) - RE (retractable lens barrel) - digital aperture control (with PLM lenses on KAF4)) - IF (Internal focusing) See also: Pentax K-mount lenses