HD PENTAX-D FA★ 85mmF1.4ED SDM AW Silver Lens

This special, limited-quantity lens features a high-grade, fine-textured silver finish for the first time in the
HD PENTAX-D FA series.

This lens, along with the D FA50mm F1.4 and D FA70-200mm F2.8 lenses, make up a new triple-model lineup; each lens is assigned a unique serial number from 0000001 to 0000600.

Since its silver barrel is also designed to go well with standard black camera bodies, you can couple this lens with any camera body you like, to further inspire your photographic creativity and motivate you to be more actively involved in the photographic process.




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Main Features

New-generation, high-performance Star-series lens to deliver ideal image quality.  Anticipating the further advancement of SLR camera bodies in the future, PENTAX has designed this lens to deliver extra-clear, high-contrast images with edge-to-edge sharpness by compensating various aberrations to a minimum, while greatly enhancing resolving power — two factors absolutely essential in the next-generation Star series. It provides exceptionally high imaging performance even at open aperture, a beautiful bokeh (defocus) effect and outstanding image rendition at close ranges — all reasons why it produces high-quality, well-defined images. It also 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, handheld shooting of indoor scenes and scenic photography. It helps the camera to produce a bright, clear viewfinder image that will inspire the photographer’s creativity and imagination.


State-of-the-art optical technology. This lens incorporates three Super ED (Extra-low Dispersion) glass optical elements to effectively minimize chromatic aberration, and a glass-molded aspherical optical element to effectively compensate for spherical and comatic aberrations and field curvature to deliver extra-clear, high-contrast images with edge-to-edge sharpness, even at open aperture. It also reduces distortion to nearly zero at a focusing distance of four meters to deliver well-defined, distortion-free images over the entire focusing range, from the minimum focusing distance to infinity. This lens is also treated with high-grade, multi-layer HD* Coating, which reduces average reflectance in the visible ray spectrum to less than 50% of conventional multi-layer coatings, effectively reducing flare and ghost images to a minimum even in demanding lighting conditions such as back-lighting.
* HD is the abbreviation of High Definition.

Dustproof, weather-resistant construction.  Developed as an AW (All Weather) model, this lens features a dependable dustproof, weather-resistant construction with eight special seals to prevent the intrusion of water into the lens barrel. When paired with a dustproof, weather-resistant PENTAX digital SLR camera body, it assures a durable, reliable digital imaging system that performs superbly in demanding shooting settings — even in rain or mist, or at locations prone to water splashes or spray.


Exclusively designed, large ring-type SDM.  In order to deliver the highest image quality possible over the entire focusing range — from the minimum focusing distance to infinity — this lens features an exclusively designed, large ring-type SDM to efficiently drive the focusing mechanism, which consists of a larger number of optical elements than ordinary lenses, and is required to shift heavy rear-optical-element groups in unison. Generating a torque approximately 1.3 times that of the unit installed in the HD PENTAX-D FA 50mm F1.4 SDM AW, this new SDM assures flawless, high-speed autofocus operation.


Electromagnetic diaphragm control, to provide high-precision exposure control during video shooting


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.
If this lens is mounted on a camera without proper firmware upgrade, its diaphragm control mechanism becomes inactive, making it impossible to obtain correct exposure.


Other features

  1. Nine-blade, round-shaped diaphragm to produce a natural, beautiful bokeh (defocus) effect up to the F2.8 aperture setting, while minimizing the streaking effect of point light sources
  2. Exterior design that facilitates focus-ring operation in manual-focus shooting and provides a firm hold
  3. Electromagnetic diaphragm-control mechanism* for flawless, high-precision exposure control during video recording
  4. SP (Super Protect) coating to keep the front surface free of dust and spots



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