Pentax HD PENTAX-D FA50mmF1.4 SDM AW Single-focus standard lens New-generation, Star-series lens Extra-sharp, high-contrast images Free of flare and ghost images, Black

In addition to a modified gauss-type rear focus-lens group the lens also features a group of aberration-correction elements in its front optical group which effectively compensate for aberrations The lens therefore assures uniform resolving power and excellent color reproduction from the center to the edges of the image field Its minimum focusing distance has been reduced to a mere 40 centimeters By incorporating a powerful high-torque ring-type Ultrasonic wave Motor SDM it also shifts the heavy rear optical group more efficiently and smoothly for responsive high-speed autofocus operation.

• In-camera shake reduction (SR) the Pentax digital SLR K Series cameras are equipped with the SR mechanism built into the camera body Because shake reduction is applied in the camera body this means that any lens Compatible with the K-Series cameras will benefit from image stabilization
• Pentax Star series lens A new-generation high-performance star-series lens delivering superb imaging quality and exceptional resolving power
• Pentax original lens Coating thanks to pentax-original lens Coating technologies including the latest Aero bright coating II that assures exceptionally low reflectance as well as the high-grade HD coating — it produces extra-sharp high-contrast images that are free of flare and ghosting
• Maximum aperture F1 4 This lens boasts an extra-large F1 4 maximum aperture useful with many different subjects in a range of applications including portraiture with an effectively defocused background and hand-held shooting of indoor scenes or in low light conditions
• All weather (AW) this lens features a Dependable dustproof weather-resistant structure with eight special seals to prevent the intrusion of water and dust into the lens interior
• Newly developed ring-type ultrasonic wave Motor sdm generates as much as 7 5 times the torque of the conventional sdm installed in existing lenses
• Rounded diaphragm Nine-Blade round-shaped diaphragm to produce a natural beautiful bokeh (defocus) effect up to an aperture of F2 8
• Super protect coating pentax-original SP coating uses fluorine treatment on the front surface of the lens This prevents adhesion of dust water drops grease and other substances
• Kaf4 mount this lens features a Kaf4 lens mount compatible with an electromagnetic diaphragm control system Cameras Compatible with this system are K-1 Mark II K-1 K-3 II KP K-70 K-3 k-s2 k-s1 and k-50 For K-1 K-3 II K-3 k-s2 k-s1 and k-50 the camera’s firmware must be upgraded to the latest version
• WHAT'S IN THE BOX Includes Front lens cap lens mount cap Lens Hood PH-RBB72 and Lens case S100-140