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

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TV, Photo, Audio & VideoDigital CamerasCamera LensesPENTAX HD DA 20-40mm F2.8-4 ED Limited DC WR

Lens - for digital SLRs, APS-C, Pentax K bayonet, 55mm filter diameter, 30-60mm equiv. to a full frame film camera

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

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

Enjoy the latest optical technology in the Pentax HD DA lens with a focal length of 20-40mm (30.5 to 61.5mm equiv. to cinema film). It offers a 2x optical zoom and a large aperture of F2.8 at the wide-angle end. It consists of nine optical elements in 8 groups including an ED and SLD glass element. The multi-layer HD lens coating minimises unwanted glare and reflection.

Main advantages:

Water Resistant
Exclusive surface
Quick-Shift focusing system
Multi-layer lens coating
Lower reflectivity
2x optical zoom
Autofocus

Furthermore, compared to conventional HD surfaces, it offers up to 50% lower reflectivity in the visible spectrum of light. AF focusing is quiet and smooth so you can achieve a perfectly sharp picture even in challenging lighting conditions. It's the first in this Limited Series to boast a unique HD coating with greater resistance to water and dust.

Specifications:

Type:
Zoom Lens

Mounting:
Pentax K

Focal length:
20-40mm

Lens construction:
9 elements in 8 groups

Aperture:
2.8 - 4

Minimum aperture:
32

Number of diaphragm blades:
9

Filter thread diameter:
55mm

Viewing angle:
70° - 39°

Minimum focus distance:
28cm

Magnification ratio:
0.2x

Weight:
283g

Length:
69mm

Accessories:
Sun visor
Cover
Case