HD Pentax FA 31mmF1.8 Limited Black Lens Wide angle prime lens, High performance coating, SP Round diaphragm, Machined aluminum body

[In-body shake-reduction mechanism (SRII)] The Pentax digital SLR camera K series feature an in-body shake reduction mechanism (SR II). This means camera shake compensation is achieved with all compatible lenses. This way it's possible to reduce the size and weight of the lens. [HD FA Limited ~ Limited Series Lens] A single focus lens with distinctive focal length to deliver realistic textures and inspiring visual expression [Three principles of a Limited Lens] "Essence", enjoy the act of picture taking itself, "Sensitivity" depicting an ambience unmeasurable simply by numerical values, "Universality" providing the joy of possessing a lens over many years. [Focal length 31mm] A focal length of 31mm is featured, which is almost halfway between 35mm and 28mm, which is said to be a standard wide-angle lens,. Its angle of view can bring a unique expression when capturing an image. [High-definition Image] A glass-moulded aspherical lens and a high-refraction , low-dispersion lens are used for a premium finish and features a large aperture of F1.8. Max focal length: 31.0 millimeters; Lens type: Wide Angle