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

Product data
Article Number 23000
Release date Nov 7, 2013
Technical Specifications
Series

HD PENTAX-DA

Focal Length

20-40mm

Equivalent to 35mm format

30.5-61.5mm

Maximum aperture

F2.8-4

20-23 mm: F2.8
24-33 mm: F3.5
34-40 mm: F4

Minimum aperture

F22-32

Number of Diaphragm Blades

9

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

Angle of View

70-39° 

Construction 9 elements en 8 groups
Smallest object distance

0.28m (0.9 ft.)

Magnification

0.20×

Filter size

55mm

Mount

KAF3

Weight

Approx. 283 g  (avec pare-soleil, approx.291 g)

Dimensions (Length x Diameter)

Approx. 68.5mm x 71mm ( 2.7 inch x 2.8 inch)

Kit Content

Lens hood MH-RA55
Lens cap O-LW65A
Lens case P70-150

Special Features

Weather Resistant
HD Coating
SP (Super Protect) Coating
Quick-shift Focus System

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