Pentax HD Pentax-FA 31mm f/1.8 Limited Lens, Silver

Developed based on the FA Limited Lens series - renowned for their meticulous attention in every detail, from outstanding image rendition to high-quality, machined aluminum bodies - these new lenses are designed to assure even better optical performance than the original Limited-series models. Available in Black and Silver, the HD FA Limited series offers outstanding description of texture, fine reproduction of gradation in highlight areas, faithful reproduction of details, and natural reproduction of the bokeh (defocus) effect.They have been treated with the PENTAX-original HD coating, which assures much higher light transmittance than conventional multi-layer coatings, delivering sharp, clear images free of flare and ghost images, even under such demanding conditions as backlight. A completely round-shaped diaphragm produces a natural, beautiful bokeh effect in the foreground and background.
FeaturesHigh-grade HD coating for exceptional image renditionThe lenses are treated with the PENTAX-original HD Coating. Compared with conventional multi-layer coatings, this high-grade coating assures higher light transmittance and lower reflectance to deliver sharp, clear images free of flare and ghost images, even under such adverse lighting conditions as backlight. It elevates the imaging performance of these new lenses.
Round-shaped diaphragm for beautiful bokeh effectThe lenses feature a completely round-shaped diaphragm, which produces a natural, beautiful bokeh (defocus) effect in the images captured, while optimizing the imaging performance of the distinctive Limited Lens-series optics.
Acclaimed Limited Lens-series quality for distinctive visual rendition and premium appearance
While inheriting the design concept of the Limited Lens series, these lenses were designed through a series of mechanical and numerical evaluations, as well as human assessment of test-shooting samples, to deliver an image rendition unmatched by other models. The barrel, hood and cap are all made of high-grade aluminum, meticulously machined for an attractive appearance and beautiful texture.
SP CoatingSP (Super Protect) coating is applied to the front surface of each lens to repel dust and stains.
Other FeaturesThe aperture ring has been retained so that the user can still use a variety of functions featured in K-mount film-format cameras.