The HD PENTAX-D FA 70-210mm f/4 ED SDM WR is a compact & lightweight, high-performance telephoto zoom lens for full frame Pentax K-mount cameras. It has weather-resistant and compact construction, so it's for great portability and use in a variety of outdoor applications. Use of the high-grade, multi-layer HD Coating to the optics optimizes the overall lens coating performance, while assuring edge-to-edge sharpness and minimizing flare and ghost images in backlit situations. Thanks to a minimum focusing distance of 0.95 metres and a maximum magnification of 0.32 times, it provides a wide photographic coverage. Compact, lightweight telephoto zoom Despite its compact, lightweight design weighing approximately 819 grams, this zoom lens covers the image circle of 35mm full-frame digital SLRs, and provides a focal length range of 70mm to 210mm to facilitate handheld outdoor photography. When mounted on an APS-C-format camera, its focal length range is extended to the equivalent of 107mm to 322mm in the 35mm format. Coupled with its compact, lightweight body, it can be easily integrated in any APS-C-format camera system. In its 20-element, 14-group optics, it incorporates three ED (Extra-low Dispersion) glass elements and two anomalous dispersion glass elements to deliver high-contrast, high-resolution images with edge-to-edge sharpness, while effectively compensating for distortion and chromatic and coma aberrations. In addition to a short minimum focusing distance of 0.95 metres, the lens barrel was designed to be extension-free during AF operation to keep the overall dimensions intact. This allows the photographer to enjoy active field photography in a wide range of outdoor applications, including scenic photography, townscape shooting utilizing a beautiful bokeh (defocus) effect in the fore- and background, close-up photography of animals and plants, and sports and wildlife photography where its outstanding portability really comes in handy. HD Coating to enhance imaging power This lens features Pentax’s latest HD Coating. Compared to conventional multi-layer coatings, this high-grade, multi-layer coating not only improves light transmittance but also reduces average reflectance in the visible light range by more than 50 percent, minimizing the adverse effects of flare and ghost images even in demanding lighting conditions such as backlighting. Weather-resistant construction This zoom lens features a weather-resistant construction to prevent the intrusion of water into the lens barrel. When mounted on 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. SP Coating This lens features SP (Super Protect) Coating on its front surface. Applied by means of a PENTAX-exclusive fluorine deposition process, this coating is highly repellent to water, grease and dirt, making it easy to wipe off stains such as fingerprints. This frees the photographer from worries in outdoor photography. Quiet, high-speed AF This lens incorporates a ring-type SDM (Supersonic Direct-drive Motor) to assure quiet, high-speed AF operation and improve operability in outdoor shooting. Other features: - Quick-shift Focus System, to provide instant shift to manual-focus operation, after locking the subject in focus during AF operation by pressing the shutter-release button halfway down. - Two-step focus range limiter, to minimize AF operation time. - Nine-blade, round-shaped diaphragm, to produce a natural, beautiful bokeh (defocus) effect, while minimizing the streaking effect of point light sources. - Electromagnetic diaphragm control, to provide high-precision exposure control during video shooting.

Lens Type:Zoom Lens Type:Telephoto Lens Fitting:Pentax K Filter Thread Size:67mm Dimensions:78.5 x 175mm Weight:819g

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