• Webcode: 439876 • Mfr: 22890
Product Highlights
  • f/1.4 - f/16 Aperture Range
  • Full-Frame Format
  • 12/10 Elements/Groups
  • 9 Aperture Blades
  • SDM Supersonic Direct-Drive Motor
  • Dust & Water Resistant
  • 82mm Filter Diameter
  • KAF4 Mount
Pentax HD Pentax-D FA 85mm f/1.4 ED SDM AW Lens Pentax HD Pentax-D FA 85mm f/1.4 ED S...
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Overview

HD Pentax-D FA
85mm f1.4 ED SDM AW

This large-aperture, mediumtelephoto lens is the second single-focus lens of the newgeneration PENTAX Star (★) lens series. Designed for use with PENTAX K-mount digital SLR cameras, this series boasts the highest imaging performance of all PENTAX lens lineups. 

Featuring high-grade Super ED (Extra-low Dispersion) glass optical elements and an aspherical optical element, multi-layer HD Coating and a newly designed, large ring-type SDM, this lens delivers extra-clear, high-contrast images with edge-to-edge sharpness by compensating various aberrations to a minimum— in particular, effectively minimizing axial chromatic aberration to prevent the generation of purple fringing in backlit situations, exceptional imaging power and flawless, high-speed autofocus operation.

Key Features:

  • High-performance, new-generation lens with large F1.4 maximum aperture
  • State-of-the-art optical technology
  • Newly designed, large ring-type SDM
  • Dustproof, weather-resistant construction
  • Rounded Diaphragm
  • Electromagnetic diaphragm control
  • Quick-Shift Focus System
  • SP Coating

High-performance, new-generation lens with large F1.4 maximum aperture

The HD PENTAX-D FA* 85mm F1.4ED SDM AW is designed to deliver extra-clear, high-contrast images with edge-to-edge sharpness by compensating various aberrations to a minimum, while greatly enhancing resolving power. It provides exceptionally high imaging performance even at open aperture, a beautiful bokeh (defocus) effect and outstanding image rendition at close ranges. The extra-large F1.4 maximum aperture is 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. 

State-of-the-art optical technology

This lens incorporates three Super ED (Extra-low Dispersion) glass optical elements to effectively minimize chromatic aberration, a glassmolded 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. The 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 backlighting.

Newly 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 newly 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. 

Dustproof, weather-resistant construction

Developed as an All Weather (AW) model, this lens features a dependable dustproof, weather-resistant structure with eight special seals to prevent the intrusion of water into the lens interior. When paired with a PENTAX dustproof, weather-resistant digital SLR camera body, it assures a durable, reliable digital imaging system that performs superbly in demanding outdoor shooting settings. 

Rounded Diaphragm

Nine-blade, round-shaped diaphragm produces a natural, beautiful bokeh (defocus) effect up to the F2.8 aperture setting, while minimizing the streaking effect of point light sources

Electromagnetic diaphragm control

Electromagnetic diaphragm control mechanism* provides highprecision exposure control during video recording

* Available when mounted on a PENTAX K-1 Mark II, K-1, K-3 II, K-3, KP, K-70, K-50, K-S2 or K-S1 camera body.

Quick-Shift Focus System

Allows for instant switching from auto-focus to manual-focus operation.

SP (Super Protect) Coating

SP Coating applied to the front surface of the lens to effectively repel water and grease.

What's Included

HD Pentax-D FA 85mm f1.4ED SDM AW Lens
PH-RBG82 Lens Hood
Front Lens Cap
Rear Lens Cap
S130-160 Lens Case

Reviews

Product Specifications

HD Pentax-D FA 85mm f1.4ED SDM AW

Focal Length 85mm Equivalent to 130mm in 35mm format
(when attached to PENTAX APS-C size DSLR cameras)
Maximum Aperture F1.4
Minimum Aperture F16
Lens Construction 12 elements in 10 groups
Angle of View (Diagonal) 28.5°
19°
(when attached to PENTAX APS-C size DSLR cameras)
Mount KAF4
Minimum Focusing Distance  0.85m (2.8ft.)
Maximum Magnification 0.12x
Filter Diameter 82mm
Diaphragm Control  Electromagnetic diaphragm
Fully automatic
Number of Diaphragm Blades 9
Rounded diaphragm (85mm: F1.4-F2.8)
Aperture Ring N/A
Tripod Mount N/A
Maximum Diameter x Length Approx. 95 x 123.5 mm (approx. 3.7 x 4.9")
Weight Approx. 1255 g (44.3 oz.)
* Without Hood

Approx. 1355 g (47.8 oz.)
* With Hood
Temperature -10°C~40°C (14°F~104°F)
Humidity 85% or less (no condensation)

Questions & Answers

Pentax HD Pentax-D FA 85mm f/1.4 ED SDM AW Lens

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