Introducing the HD PENTAX DA645 28-45mm F4.5 ED AW SR Lens

NEW YORK, NY--(Marketwired - August 04, 2014) - The HD PENTAX-DA645 28-45mm F4.5 ED AW SR is the first ultra-wide-angle zoom lens in the 645-system lens lineup that can be used on both 645Z and 645D cameras. This is ideal for landscape photography, where delicate angle-of-view adjustments can be difficult due to the restricted footing, and for architectural photography requiring a wide angle of view despite the close distance to the subject. Read all about the Pentax HD PENTAX-DA645 28-45mm f/4.5 ED AW SR lens here: http://www.bhphotovideo.com/c/product/1072808-REG/pentax_hd_pentax_da645_28_45mm_f_4_5.html

High-performance Super-wide Zoom

Covers super-wide angle of 22-35.5mm equivalent to 35mm format

Internal Shake-reduction Mechanism

PENTAX provides shake reduction feature for medium-format cameras. Compensates for camera shake up to approximately 3.5 shutter steps

Dustproof, Weather-resistant Construction

By mounting the HD Pentax-DA645D lens onto a PENTAX 645D and 645Z, the user is assured of greater durability and reliability when shooting in the rain or mist, as well as at locations subject to spray or splashes. 

HD Coating and Aero Bright Coating

Delivering sharp, clear images, free of flare and ghosting, even under demanding lighting conditions such as backlight.

High Effectiveness of Lens Hood

The newly developed lens hood is designed based on the size of 645Z and 645D image circle. This maximizes the effectiveness of the lens hood even with wide angle lens. The Pentax HD PENTAX-DA645 28-45mm F4.5 ED AW SR lens's front frame extends to its maximum length at the 28mm setting, and retracts to its shortest length at the 45mm setting. This makes Lens hood work quite effectively over the entire zoom range.

High Compatibility with Multiple Filters

You can attach the filter at the lens front. This allows the user to select from the many kinds of filters available in the market. The size is 82mm. Since the first lens element of ultra-wide-angle lenses is usually highly convex, most ultra-wide-angle lenses can't accept a filter.

In-lens DC Motor

Smooth, quiet AF operation using a lens-installed AF driving motor. DC motor provided sufficient drive torque and driving speed with minimal noise 

Circular Aperture Blades

Round-shaped diaphragm produces a natural, beautiful bokeh (blur) effect, while minimizing the streaking effect of point light sources.

Quick Focus System

The lens features the 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.

SP Coating

SP (Super Protect) coating to keep the front surface free of dust and stains.

B&H Photo Video is an authorized Pentax dealer, with the most up-to-date Pentax product information, product pricing and promotional offers.

Learn more about the Pentax HD PENTAX-DA645 28-45mm f/4.5 ED AW SR lens at BH explora  http://www.bhphotovideo.com/explora/photography/news/unveiled-wide-angle-zoom-lens-pentax-645

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