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PENTAX HD D-FA 150-450mm F4.5-5.6ED DC AW

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PENTAX HD D-FA 150-450mm F4.5-5.6ED DC AW

The HD PENTAX-D FA 150-450mm F4.5-5.6ED DC AW is a dust sealed, weather-proof lens designed with high end and professional users in mind. With a full frame sensor sized image circle, this is an exciting new lens to the Pentax line up. Giving equivalent focal distances of 230-690mm on APS-C sensors, this is a must for keen wildlife or sports photographers.

Please note: This is a "Special Order" item and may takel 7-10 working days to arrive. Please contact us for a more accurate timescale or for more information.

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  • Features include, the Pentax original, High-grade HD coating designed to produce extra sharp, high-contrast images even in challenging lighting conditions. It also incorporates three ED (Extra-low Dispersion) glass elements and a super-low dispersion element to effectively compensate chromatic aberration.

    A high quality, durable and dependable lens with outstanding image quality that you can rely upon, even in the toughest of conditions.


    Key Features:

    • Image circle covering Full-frame sensor

    • 3X ratio supertelephoto zoom (eq to 230-690 for APS-C)

    • Dependable weather-resistant construction against humidity and dust (21 protection joins)

    • Smooth, quiet autofocus operation driven by a built-in DC motor

    • HD Coating to optimize light transmittance and minimize refl ection

    • ED lens elements for brilliant sharpness and saturated colours

    • Focus Range Limiter (Full, 2-6m, 6m-∞)

    • Round shaped diaphragm to produce beautiful bokeh

    • Super Protect coating of the front lens element for effective protection

    • Three-position switch for Quick-Shift Focus System (QFS/A, QFS/M and MF modes) for a speedier and more accurate focusing operation for a given subject or application

    • Detachable tripod mounting with a newly designed anti-falling mechanism

    • 4 AF buttons to provide more stable AF operation and better hold of the lens in horizontal or vertical position. These buttons are customizable (Focus Preset mode and AF cancel mode)

    • Zoom lock lever to prevent the lens barrel from free-falling


    Super-telephoto coverage with three-times zoom ratio

    When mounted on a PETAX 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 superlow dispersion glass element, this zoom lens effectively minimizes spherical and chromatic aberrations, while producing crisp, high-quality images free of colour bleeding. Its MTF Modulation Transfer Function) curve is programmed to be higher than those of conventional models in the same class to deliver high-resolution, finedetailed images. Its image circle is optimized to cover even the image size of 35mm film-format SLR cameras. As the result, it not only assures brilliant, high-resolution images without compromising the sharpness at edges even when mounted on an existing PENTAX digital SLR camera body, but it is also capable of accepting future models with larger image sensors without modifications.


    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, highcontrast 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

    The lens is equipped with the PENTAX-developed Quick-Shift Focus System, which allows the user to instantly switch to manual-focus operation after the subject is captured in focus by the camera’s AF 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.

    ** The PETANX K-3 is currently the only model to accommodate the AF button functions.To activate these functions, the camera’s firmware must be updated to the latest version.


    Additional 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 antifalling mechanism

  • Focal Length
    Focal length on APS-C sized sensor  230-690mm
    Maximum Aperture  F4.5-5.6
    Minimum Aperture  F22-27
    Lens Construction
     18 elements in 14 groups
    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)
    Mount  KAF3
    Minimum Focusing Distance  2m
    Maximum Magnification  0.22x
    Filter Diameter
    Diaphragm Control  Fully automatic
    Number of Diaphragm Blades  9
    Rounded aperture : 150mm: F4.5-8 450mm: F5.6-8
     Maximum Diameter x Length  Approx.95mm x 241.5mm
    Weight  Approx.2000g (with hood Approx.2130g)
    (with hood and tripod mount Approx.2325g
    Additional features
    HD Coating • SP (Super Protect) Coating • All Weather Resistant
    • DC motor • Quick-shift Focus System • AF Button
    Focus Preset mode • Focus Range Limiter

Additional Information

Box Contents: Lens hood, lens cap, lens mount back, tripod mount, lens case
Manufacturer Pentax
Model HD PENTAX D-FA 150-450mm F4.5-5.6ED DC AW
MPN 21340