HD Pentax DA 21mm F3.2 AL Limited Specs

Announced Aug 27, 2013 •
Wideangle prime lens | Pentax KAF | 21590
Principal specifications
Lens type Prime lens
Max Format size APS-C / DX
Focal length 21 mm
Image stabilization No
Lens mount Pentax KAF
Maximum aperture F3.2
Minimum aperture F22
Aperture ring No
Number of diaphragm blades 7
Aperture notes Rounded aperture diaphragm
Elements 8
Groups 5
Special elements / coatings High-grade multi-layer HD (High Definition) Coating
Minimum focus 0.20 m (7.87)
Maximum magnification 0.17×
Autofocus Yes
Motor type Screw drive from camera
Full time manual Yes
Distance scale Yes
DoF scale Yes
Weight 134 g (0.30 lb)
Diameter 63 mm (2.48)
Length 25 mm (0.98)
Colour Black, Silver
Filter thread 49 mm
Hood supplied Yes
Hood product code MH-RBB43
Tripod collar No
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