The Pentax 24-70mm f2.8 HD ED SDM WR zoom is a full-frame lens with weather-proof construction designed for a variety of applications, such as weddings, portraiture, sports, nature and travel. The lens features a bright, constant f2.8 aperture to ensure exceptional image quality throughout its versatile focal range and a stunning bokeh (defocus) background effect. The built-in SDM (Supersonic ... More
Pentax 24-70mm f2.8 D FA HD ED SDM WR Lens
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The Pentax 24-70mm f2.8 HD ED SDM WR zoom is a full-frame lens with weather-proof construction designed for a variety of applications, such as weddings, portraiture, sports, nature and travel. The lens features a bright, constant f2.8 aperture to ensure exceptional image quality throughout its versatile focal range and a stunning bokeh (defocus) background effect. The built-in SDM (Supersonic Direct-drive Motor) provides quiet, high-speed autofocus operation.
Focal range of 24-70mm
Bright, fast F2.8 constant aperture
Equivalent APS-C focal range 37-107mm
Quick-shift Focus System
Quiet and smooth SDM
Compatible with full-frame and APS-C
Pentax K lens mount
1. Exceptional imaging power:
Consisting of 17 elements in 12 groups, this new lens features three ED (Extra-low Dispersion) optical elements, one anomalous-dispersion-glass aspherical optical element and three aspherical optical elements to compliment super-high-resolution image sensors. By delivering sufficient light even at the edges and minimizing aberrations, this zoom lens provides a high MTF (Modulation Transfer Function) for finely-detailed high contrast, high resolution images. When mounted on a current PENTAX K-series camera body, it uses only the central area of the image circle to deliver high-resolution images with uniform detail.
2. Large-aperture standard zoom lens:
When mounted on a 35mm-format full-frame DSLR, this lens offers a zoom ratio of approximately 2.9 times from ultra-wide-angles to standard zoom ranges (24mm to 70mm in focal length). It provides a maximum aperture of F2.8 over the entire zoom range to deliver brilliant images. It not only covers the most common focal-length range, but also provides ultra-wide-angle coverage to produce distinctive visual results, such as exaggerated perspectives or extra-wide depths of field; this makes it very useful with subjects such as sweeping landscapes and shallow indoor scenes. When mounted on a current K-series DSLR, it provides focal lengths from 37mm to 107mm in the 35mm format to cover wide-angle to medium-telephoto ranges. Its large maximum aperture not only creates an excellent bokeh effect on the background for beautiful portraits, but also allows the photographer to handhold the camera for poorly lit subjects, such as sunsets or indoor scenes.
3. Built-in SDM (Supersonic Direct-drive Motor):
Thanks to the incorporation of a new-generation SDM (Supersonic Direct-drive Motor), this zoom lens ensures quiet, high-speed autofocus operation, allowing the photographer to react swiftly to all types of photographic opportunities.
4. Weather-resistant construction:
This lens features a dependable weather-resistant construction with special seals to effectively prevent water reaching the inside of the lens. Pairing it with a weather-resistant PENTAX DSLR, provides a durable, dependable digital imaging system that performs superbly in demanding shooting conditions or locations, where the weather or indeed water, would normally cause problems.
5. HD Coating to improve image description:
The lens is treated with 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, high-contrast images free of flare and ghost images, even in demanding lighting situations.
* HD stands for High Definition.
6. Quick-Shift Focus system:
The lens comes 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.
7. Other features:
Rounded diaphragm to produce a smooth, beautiful bokeh effect, while minimizing the streaking effect of point light sources.
Zoom lock lever to prevent the accidental extension of the lens barrel when pointed downwards.