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The following is an unedited press release, shown as received from the company represented. We've elected to present selected releases without editorial comment, as a way to provide our readers more information without further overtaxing our limited editorial resources. To avoid any possible confusion or conflict of interest, the Imaging Resource will always clearly distinguish between company-provided press releases and our own editorial views and content.

The smc PENTAX D FA 645 25mm F4 AL [IF] SDM AW lens. Photo provided by Pentax Imaging Co. PRESS RELEASE: Pentax Adds Second Lens For 645D Medium Format

smc PENTAX D FA 645 25mm F4 AL [IF] SDM AW

GOLDEN, CO (February 7, 2011)…PENTAX Imaging Company announced the addition of a second lens for the 645D Medium Format digital camera. As the second model of the 645D lens series, the smc PENTAX D FA 645 25mm F4 AL [IF] SDM AW is designed as an ultra-wide-angle lens that features PENTAX-original optics optimized for high-quality digital photography to assure exceptional image- performance as well as dependable dustproof, weather-resistant construction for active outdoor photographers.

Offering a focal length of approximately 19.5mm in the 35mm format (or approximately 15.5mm when mounted on a PENTAX 645-format film SLR camera body), this new lens provides the widest perspective of all PENTAX 645 lenses. Creating visual effects unique to ultra-wide-angle lenses — such as exaggerated perspective and enhanced depth of field — this lens may be used for a wide range of subjects including spectacular landscapes and indoor shooting in confined spaces.

Priced at $4999.95 USD, the smc PENTAX D FA 645 25mm F4 AL [IF] SDM AW lens will become available in April 2011. More information is available here: www.pentaximaging.com

The lens is available for preorder on: www.pentaxwebstore.com

PENTAX Imaging Company is an innovative leader in the production of a variety of digital cameras including weather-resistant digital SLRs and stylish, compact, waterproof cameras, as well as lenses, flash units, binoculars, scopes, and eyepieces. For more than 90 years, PENTAX has developed durable, reliable products that meet the needs of consumers and businesses. With headquarters in Golden, Colorado, PENTAX Imaging Company is a division of PENTAX of America, Inc.

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The smc PENTAX D FA 645 25mm F4 AL [IF] SDM AW lens. Photo provided by Pentax Imaging Co. Click for a bigger picture!

The smc PENTAX D FA 645 25mm F4 AL [IF] SDM AW lens.
Photo provided by Pentax Imaging Co.

Consumer contact:
[email protected]


Super-high-resolution, medium-format digital SLR photography
Incorporating two high-performance aspherical optical elements in its optics, this ultra-wide-angle lens provides exceptional images with outstanding brightness levels even at the edges while compensating various aberrations to a minimum. All lens characteristics are optimized for digital photography to minimize flare and ghost images. Exclusive lens coatings are applied to optical elements, while anti-reflection materials are applied to the interior of the lens barrel. The results help maximize the potential of the PENTAX 645D medium-format digital SLR camera.

Aero Bright Coating improves image description in backlight
This lens is treated with PENTAX-original Aero Bright Coating, which delivers brilliant, high-quality images by preventing annoying flare and ghost images more effectively than ever before. This exclusive coating effectively reduces lens reflection and increases light transmission by forming a silica aerogel layer with uniform pores on the surface of optical elements.

Dependable dustproof, weather-resistant construction
As the newest model of the dependable All Weather (AW) series, the lens features a highly dependable dustproof, weather-resistant construction with 11 special seals to effectively prevent the intrusion of dust and water into the lens interior. Used with the PENTAX 645D camera body, the lens offers a durable, reliable digital imaging that performs superbly in demanding outdoor settings including rain, mist, or locations prone to water splashing or spray.

Mountable Circular Polarizing Filter
The lens features a built-in, pull-out-type filter holder in its barrel. By placing the C-PL (circular polarizing) filter (40.5mm in diameter and included as an exclusive accessory) on this holder, the user can easily rotate the filter to obtain the desired polarizing effect.

Smooth, quiet SDM autofocus operation
Featuring an advanced SDM (Supersonic Direct-drive Motor) autofocus mechanism employing a supersonic motor installed inside the lens barrel, the lens assures smooth, quiet autofocus operation.*
* Manual-focus operation only when the lens is mounted on the PENTAX 645N or PENTAX 645N II camera body.

Other features

  • Image circle covering all of the image area of 645-format film SLR cameras
  • High-quality machined aluminum parts, including the lens barrel, hood and cap
  • Quick-Shift Focus system for instant switching to manual-focus operation, after the subject is captured in focus by the AF system
  • Rounded diaphragm to produce a smooth, beautiful “bokeh” (out-of-focus rendition), while minimizing the streaking effect of point light sources
  • SP (Super Protect) coating applied to the front surface of the lens to effectively repel dust, water and grease

PENTAX and smc PENTAX are trademarks of HOYA CORPORATION.
SDM is a trademark of HOYA CORPORATION.
Design and Specifications are subject to change without notice.

(First posted on Monday, February 7, 2011 at 17:00 EST)

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