HD Pentax-FA 31mm F1.8 Ltd is an Auto Focus (AF)
Wideangle Prime lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF mount cameras.
Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Lens Mount
HD Pentax-FA 31mm F1.8 Ltd is compatible with cameras that have
Pentax KAF lens mount. Some of the latest released cameras with Pentax KAF lens mount are
Pentax K-3 III,
Pentax K-1 II and
Pentax KP.
Sensor Coverage
Max sensor coverage of HD Pentax-FA 31mm F1.8 Ltd is
35mm FF.
Focal Range
HD Pentax-FA 31mm F1.8 Ltd has a fixed focal lenght of 31mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 46.5mm.
Body Colour
HD Pentax-FA 31mm F1.8 Ltd is available in Black and silver color.
Maximum Magnification Ratio
HD Pentax-FA 31mm F1.8 Ltd has a Max Magnification Ratio of
0.16x and has a minimum focusing distance of
0.3m.
Aperture
HD Pentax-FA 31mm F1.8 Ltd has a max aperture of F1.8 and a minimum aperture of F22.
Optical Formula
HD Pentax-FA 31mm F1.8 Ltd's optical formula consists of 9 elements in 7 groups. Following special elements are used in this design:
- HD
- Super Protect coatings
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