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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.

smc PENTAX D FA MACRO 100mm F2.8 WR lens. Image courtesy of PENTAX of America, Inc. PRESS RELEASE: PENTAX adds 100mm F2.8 WR Macro to weather-resistant lens line-up

GOLDEN, COLORADO (December 9, 2009) – PENTAX Imaging Company has announced the smc PENTAX D FA MACRO 100mm F2.8 WR lens designed for use with PENTAX digital SLR cameras. Combining a high-quality exterior finish with PENTAX-original weather-resistant construction, this new macro lens is especially useful for the demands of outdoor photography.

This PENTAX macro lens features a high-grade, aluminum barrel with the high-quality, exclusive exterior design and finish unique to the PENTAX D FA series lenses. Further, the entire mechanism of the focus ring has been reviewed and upgraded to assure flawless manual-focus operation. For improved performance, the PENTAX D FA MACRO 100mm F2.8 WR is the first PENTAX interchangeable macro lens featuring a completely rounded diaphragm blade to create a natural, beautiful bokeh at wide apertures, while minimizing the streaking effect of point light sources.

PENTAX WR lenses feature simplified weather-resistant construction to repel water and moisture. Combined with a PENTAX weather-resistant K-7, K20D, K200D or K10D digital SLR camera body, the lens performs well in damp, inclement outdoor conditions including rain, mist, water spray and splashes.

The lens also features the PENTAX-original SP (Super Protect) surface coating to repel dust, water and grease and to minimize fingerprints.

Other significant features of this latest WR lens include:

  • Mounted on a PENTAX digital SLR camera body, this lens offers a focal length equivalent to 153mm in the 35mm format for high-quality, true-to-life images, while minimizing flare and ghost images. The maximum life-size magnification allows photographers to capture dramatic close-up images with great ease.
  • A working distance of just over five inches (13 cm) facilitates close-up photography of subjects including flora, insects, and wildlife.
  • The PENTAX-developed Quick-Shift Focus System for instant switching to manual-focus operation after the subject is captured in focus by the camera’s AF system.
  • An image circle to accommodate 35mm film-format camera image size.
  • Compatibility with the macro adapter included in the PENTAX AF160FC dedicated Auto Macro Ring Flash.

The PENTAX D FA MACRO 100mm F2.8 WR lens will ship in January 2010 for USD $849.95.

smc PENTAX-D FA MACRO 100mm F2.8 WR
PENTAX D FA MACRO 100mm F2.8 WR lens. Photo provided by PENTAX of America, Inc. Click for a bigger picture!
Focal length
(Equivalent to 153mm in 35mm format)
Maximum Aperture
Minimum Aperture
Lens Construction
9 elements in 8 groups
Angle of View
16° (with PENTAX Digital SLR body)
24.5° (with 35mm Film SLR body)
Minimum Focusing Distance
0.303m (0.99 ft.)
Maximum Magnification
Filter Diameter
Diaphragm Control
Fully Automatic
Number of Diaphragm Blades
Lens Aperture Ring
Tripod Adapter
Lens Hood
Lens Case
Front Cap
Maximum Diameter & Minimum Length
65mm x 80.5mm
(2.6 inch x 3.2 inch)
340g (12 oz.)
Furnished accessory
Hood, Case, and Lens Cap
Simplified Weather-Resistant
Rounded Diaphragm Blade
Quick-Shift Focus System
SP (Super Protect) Coating

PENTAX Imaging Company is an innovative leader in the production of a variety of digital cameras including weather resistant digital SLRs and compact, waterproof cameras, as well as lenses, flash units, binoculars, scopes, and eyepieces. For 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.

# # #

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

(First posted on Wednesday, December 9, 2009 at 17:00 EST)

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