The HD PENTAX-D FA 15-30mm F2.8 ED SDM WR, when mounted on the PENTAX K-1 camera body, covers a focal-length range from 15mm ultra-wide-angle to 30mm wide-angle. With its exaggerated ultra-wide perspective and high-resolution imaging power, it captures dynamic, sweeping views of subjects, making it an ideal choice for landscape photography. Treated with PENTAX-developed HD Coating, the lens produces well-defined, fine-detailed images with ample light levels even at the edges of the image field, while effectively reducing distortion and chromatic aberration.

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Exceptional imaging power

When mounted on the PENTAX K-1 full-frame digital SLR camera body, the lens provides an ultra-wide-angle focal-length coverage from 15mm to 30mm. Its exaggerated perspective helps the photographer produce spectacular landscape photographs. With a 30mm focal length at the telephoto end, the lens is also well-suited to portrait and street photography.

State-of-the-art optical design

The zoom lens incorporates three ED (Extra-low Dispersion) glass optical elements and three aspherical optical elements in its 18-element, 13-group optics to deliver high-resolution images rich in contrast even at the edges of the image field, while effectively minimizing distortion and chromatic aberration.

Large-aperture zoom lens, with a maximum aperture of F2.8

With a maximum aperture of F2.8 over its entire zoom range, this lens is versatile enough to be used for many different subjects and scenes, ranging from sweeping landscapes to nightscapes and starry skies. Despite its ultra-wide-angle perspective, it captures subjects with beautiful soft bokeh (defocus soft blurring effect on the background). With a minimum focusing distance of just 28cm, this lens can capture subjects with a well-defined sense of depth.

Built-in SDM (Supersonic Direct-drive Motor)

The incorporation of a new-generation SDM (Supersonic Direct-drive Motor) assures that this zoom lens provides quiet, high-speed autofocus operation, letting the photographer react swiftly to all types of subjects.

Weather-resistant construction

Special seals applied throughout the lens body provide this zoom lens with dependable weather-resistant construction, effectively preventing the intrusion of water into the lens interior. By pairing it with a weather-resistant PENTAX digital SLR camera body, the photographer has a durable, dependable digital imaging system that performs superbly under demanding shooting conditions — even in the rain or mist, or at locations prone to water splashes or spray.

HD Coating to improve image description

The lens is treated with high-grade, multi-layer HD (High Definition) 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 under demanding lighting conditions such as backlight.

Other features

• Quick-Shift Focus System for instant switching from autofocus to manual-focus operation, by holding the shutter-release button halfway down and turning the
focus ring after the subject is captured in focus by the camera’s AF system.

• Rounded diaphragm with nine blades produces a smooth, beautiful bokeh (defocus) effect, while minimizing the streaking effect of point light sources.

• SP (Super Protect) coating applied to the front surface of the lens to effectively repel water and grease.


Lens Mount PENTAX KAF3 mount
Model No. 21280
Focal Length 15-30mm (in 35mm format) 23-46mm (w/ PENTAX APS-C D-SLR)
Notes HD coating SP coating Weather-Resistant Construction SDM (Supersonic Direct-Drive Motor) Quick-shift Focus System
Angle of View 111° – 72° (w/ PENTAX 35mm SLR) 86° – 50° (w/PENTAX APS-C D-SLR)
Lens Construction(group/elements) 18 elements in 13 groups
Min. Aperture (f) f/22
Min. Focusing Distance 0.28m
Max. Magnification 0.23X
Filter Size N/A
Diameter & Length (mm) 98.5mm x 143.5mm (3.88 x 5.65 inches)
Weight (g) 1040g (2lbs 4oz)
Diaphragm control Fully Automatic
Number of aperture blades 9 (Rounded Aperture: W 15mm: F2.8 – 4 T 30mm: F2.8-5.6)

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