Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR Zoom Lens - Black
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Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR Zoom Lens - Black

Price: $796.95

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Description

About Pentax 20-40mm

• The first Limited Series zoom lens with focal length coverage from 30.5 to 61.5mm in the 35mm format, providing the most frequently used focal lengths for a variety of subjects settings and creative perspectives. 

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

• Treated with state-of-the-art HD (High Definition) technology, a high grade, multi-layer coating, allowing the user to capture crisp, high-contrast images free of flare and ghosting, even under demanding lighting conditions. 

• The ED (super low Dispersion) glass element in this lens's optics delivers clear, high resolution imagery with edge-to-edge sharpness, throughout the entire zoom range. 

• With seven special seals to prevent intrusion of water, moisture and dust, this is the first lens of the Limited Lens series to feature the PENTAX-originalweather-resistant construction

Specification

Pentax 20-40mm Specifications

Lens Mount
Pentax KAF3
Focal Length
20-40mm (equiv. 30.5-61.5mm)
Construction
9 elements in 8 groups
Angle of view
39°-70° (w/ Pentax DSLR)
F stop range
f/2.8-4 to f/22-32
Closest Focusing Distance
0.9' (0.28m)
Maximum Magnification
0.20x
Diaphragm
Fully Automatic
Aperature Blades
Rounded (20mm f/2.8-4 40mm f/4-5.6)
Filter Size
55mm
Dimensions (Min Length x Max Diameter)
2.8" x 2.7" (71.0 x 68.5mm)
Weight
(Without Hood) 10 oz (283g)
Notes
HD Coating, SP (Super Protect) Coating, Quick-shift Focus
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