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HD PENTAX-D FA 150-450mmF4.5-5.6ED DC AW

  • Zoom
  • D FA
35mm Full Frame APS-C

This super-telephoto zoom lens has been developed to cover focal lengths from 150mm to 450mm — a focal-length range most demanded by high-end PENTAX-camera users

It features the PENTAX-original, high-grade HD Coating to produce extra-sharp, high-contrast images even under demanding lighting conditions such as in backlight. It also incorporates three ED (Extra-low Dispersion) Glass elements and an Anomalous Dispersion Glass element to effectively compensate chromatic aberration. Its dustproof, weather-resistant body also makes it extremely dependable and durable in demanding outdoor conditions.

Digital SLRs only DC Dust and Weather resistant Quick-Shift Focus SP Coating HD Coating ED (Extra-low Dispersion) Glass Round Iris Diaphragm

Black

Hoods and Cap included
JAN-Code / 4549212 286933

Sample Images

  • Aperture F5.6, Shutter speed 1/25sec, Focal length 190mm Photo by Masaaki Aihara

  • Aperture F8.0, Shutter speed 1/15sec, Focal length 190mm Photo by Masaaki Aihara

  • Aperture F8.0, Shutter speed 1/1000sec, Focal length 410mm Photo by Yoshiaki Kobayashi

  • Aperture F5.6, Shutter speed 1/200sec, Focal length 330mm Photo by Yoshiaki Kobayashi

  • Aperture F9.0, Shutter speed 1/250sec, Focal length 220mm Photo by Yoshiaki Kobayashi

  • Aperture F5.6, Shutter speed 1/100sec, Focal length 200mm Photo by Yoshiaki Kobayashi

  • Aperture F5.6, Shutter speed 1/160sec, Focal length 450mm Photo by Yoshiaki Kobayashi

  • Aperture F5.6, Shutter speed 1/400sec, Focal length 230mm Photo by Yoshiaki Kobayashi

  • Aperture F6.3, Shutter speed 1/250sec, Focal length 290mm Photo by Yoshiaki Kobayashi

  • Aperture F8.0, Shutter speed 1/250sec, Focal length 450mm Photo by Yoshiaki Kobayashi

Features / Specifications

Super-telephoto coverage with three-times zoom ratio
When mounted on a PENTAX K-mount SLR camera body, this zoom lens covers a super-telephoto range from approximately 230mm to 690mm in the 35mm format. It is designed to be compact and light enough to handhold during long-range shooting of such subjects as wildlife, aircraft and sports.
Outstanding image description
Thanks to its state-of-the-art optics featuring three ED (Extra-low Dispersion) Glass elements and one Anomalous Dispersion Glass element, this zoom lens effectively minimizes spherical and chromatic aberrations, while producing crisp, high-quality images free of color bleeding.
HD Coating to optimize image rendition
This lens is treated with the high-grade, multi-layer HD Coating. Compared with conventional multi-layer coatings, this PENTAX-original coating assures higher light transmittance and less reflection to deliver bright, high-contrast images free of flare and ghost images, even under demanding lighting conditions such as backlight.
Dustproof, weather-resistant construction
Developed as an AW (All Weather) model, this zoom lens features a dependable dustproof, weather-resistant construction with 21 special seals to prevent the intrusion of water and dust particles into the lens interior. By pairing it with a PENTAX weather-resistant 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.
Newly installed three-position switch for Quick-Shift Focus System
In order to improve its operability, a three-position switch is newly installed on this lens, allowing instant switching among QFS/A, QFS/M and MF modes. QFS/A is an autofocus-priority mode, which allows the user to switch to manual-focusing operation only when autofocus operation is completed. QFS/M is a manual-focus-priority mode, which enables the user to switch to manual focusing at any time — even when the AF system is in operation. MF mode allows the user to instantly switch to manual focusing with a simple twist of the focus ring on the lens. With a choice of three distinctive modes, the user is assured of speedier, more accurate focusing operation for a given subject or application.
Four AF buttons installed on the lens barrel
In order to provide more stable AF operation and better hold of the lens regardless of the camera’s orientation — horizontal or vertical — this lens provides four AF buttons on its barrel — one at every 90 degrees.* The user can assign preferred settings to these AF buttons, including: a Focus Preset mode to preprogram the focus position and instantly shift the focus to that position; and an AF Cancel mode to intentionally fix the focus at a desired point during Continuous AF operation.
* Corresponding models are K-1, KP, K-3II, K-3, K-70, K-S2, K-S1. For K-3 and K-S1, Firmware upgrade is required. Link to the latest firmware
Other features
・Smooth, quiet AF operation using a lens-installed AF driving motor
・Round-shaped diaphragm to produce a natural, beautiful bokeh (defocus) effect, while minimizing the streaking effect of point light sources
・Focus range limiter to minimize AF operation time by fixing the focus range to one of three sub-ranges
・SP (Super Protect) coating to keep the front surface free of dust and stains
・Zoom lock lever to prevent the lens barrel from free-falling
・Detachable tripod mounting with a newly designed anti-falling mechanism
【MTF Chart】
MTF Chart

WIDE

TELE

MTF Chart

WIDE

TELE

Spatial Frequencies S:Sagittal M:Meridional
10 lines/mm
30 lines/mm
Type Super Telephoto
Focal length (Equivalent in 35mm format) 150-450mm (230-690mm)
Maximum Aperture F4.5-5.6
Minimum Aperture F22-27
Angle of View 10.7-3.6°(when attached to PENTAX digital SLR cameras)
16.5-5.5°(when attached to PENTAX 35mm SLR cameras)
Lens construction 18 elements / 14 groups
No. of diaphragm blades 9
Rounded aperture(150mm: F4.5-8 450mm: F5.6-8)
Closest focusing distance 2m
Maximum reproduction ratio 0.22x
Filter size 86mm
Diameter x length Approx.95mm x 241.5mm (3.7 in. x 9.5 in.)
Weight Approx.2000g /70.5 oz (with hood Approx.2130g /75.1 oz)
(with hood and tripod mount Approx.2325g/82.0 oz)

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