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HD PENTAX-DA 20-40mm F2.8-4 ED Limited DC WR

  • The first Limited Series zoom lens
  • In-lens DC auto focus operation for smooth & quiet performance
  • State of the Art HD (High Definition) Technology
  • PENTAX-original weather sealing

Enjoy the most advanced optical technology in a single lens with the HD PENTAX DA 20-40mm F2.8-4 ED Limited DC WR lens.  Enhancing the acclaimed Limited Series lenses, this APS-C optimized Limited zoom lens is the first to feature a versatile focal length of 20-40mm, ideal for a variety of subjects, settings and creative perspectives, all housed in a durable PENTAX weather sealed body with state-of-the-art HD coating. Complete as it is capable, its large F2.8 maximum aperture and rounded diaphragm blades produce stunning bokeh for exceptional visual expression, and its in-lens direct current (DC) focus motor provides quiet and smooth autofocus functionality. Upgrade your camera bag and your imaging experience with this a one-of-a-kind lens.

 
  • With its two-times zoom coverage from 20mm to 40mm, this lens offers focal length coverage from 30.5 to 61.5mm in the 35mm format when mounted on a PENTAX K-series DSLR, providing the most frequently used focal lengths for a variety of subjects settings and creative perspectives in a Limited Series lens.

  • This lens has been treated with the PENTAX-developed HD coating, a high grade, multi-layer coating that reduces reflectance in the visible light spectrum to less than 50 percent of that of conventional multi-layer coatings, allowing the user to capture crisp, high-contrast images free of flare and ghosting, even under demanding lighting conditions.

  • The first lens of the Limited Lens series to feature the PENTAX-original weather-resistant construction. With seven special seals to prevent intrusion of water, moisture and dust, depend on this lens in any shooting condition, rain or shine.

  • The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.

  • The lens barrel, hood and cap are made of a high-grade aluminum material, and hand-machined for perfect proportions and beautiful texture. Positioned in the mid-section of the lens barrel, the zoom ring features a series of knurled grooves to facilitate zooming operation. Like all of the Limited Series lenses, this lens is available in a sleek silver or classic black.

  • Shoot discreetly with in-lens, direct current (DC) Auto Focus motor operation for smooth & quiet performance.

  • The ED (Extra-low Dispersion) glass and a super-low dispersion glass element in this lens’s optics deliver clear, high resolution imagery with edge-to-edge sharpness, throughout the entire zoom range.

  • Enhanced with a rounded diaphragm at a wide apertures for optimal optical performance and gorgeous bokeh effects.

  • The PENTAX-original SP (Super Protect) coating repels dust, water and grease to keep your lens clean and your image quality at its peak.

Lens

K-mount

Angle Of View

70-39°

Number Of Diaphragm Blades

9
Rounded aperture (20mm: F2.8-4 40mm: F4-5.6)

Minimum Focusing Distance

0.28m (0.9 ft.)

Maximum Magnification

0.20×

Weight

Approx.283g /10.0 oz (with hood Approx.291g /10.3 oz)

Diaphragm Control

Fully automatic

Notes

HD coating, Super Protect (SP) coating, Quick-shift Focus System

Lens Construction

9 elements in 8 groups

Aperture

F2.8-4

Minimum Aperture

F22-32

Case

P70-150

Hood

MH-RA55

Focal Length

20-40mm, 30.5-61.5mm in 35mm format

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