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

Announced Nov 6, 2013 •
Zoom lens | Pentax KAF3 | 23000
Principal specifications
Lens type Zoom lens
Max Format size APS-C / DX
Focal length 20–40 mm
Image stabilization No
Lens mount Pentax KAF3
Maximum aperture F2.8–4
Minimum aperture F22–32
Aperture ring No
Number of diaphragm blades 9
Aperture notes Rounded aperture
Elements 9
Groups 8
Special elements / coatings 1 ED glass element, 1 SLD glass element, HD coating
Minimum focus 0.28 m (11.02)
Maximum magnification 0.2×
Autofocus Yes
Motor type Micromotor
Full time manual Yes
Distance scale Yes
DoF scale Yes
Weight 283 g (0.62 lb)
Diameter 71 mm (2.8)
Length 69 mm (2.7)
Materials Aluminium barrel
Sealing Yes
Colour Black, silver
Zoom method Rotary (extending)
Filter thread 55 mm
Hood supplied Yes
Hood product code MH-RA55
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