Pentax DA 21mm Limited lens

The Pentax smc DA 21mm F3.2 AL Limited is a moderate wide angle lens announced by Pentax on February 13, 2006. It is one of the five very compact "Limited" prime lenses for APS-C format cameras. Like its siblings, it was replaced in 2013 with a version that is HD-coated and has rounded aperture blades.

Pentax smc DA 21mm F3.2 AL Limited

Maker	Pentax
Lens mount(s)	Pentax K
Technical data
Type	Prime
Focus drive	Screwdrive
Focal length	21mm
Focal length (35mm equiv.)	32mm
Aperture (max/min)	f/3.2
Close focus distance	0.20 metres (0.66 ft)
Max. magnification	0.17
Diaphragm blades	7
Construction	8 elements in 5 groups
Features
Manual focus override	Yes
Weather-sealing	No
Lens-based stabilization	No
Aperture ring	No
Physical
Max. length	25 millimetres (0.98 in)
Diameter	63 millimetres (2.5 in)
Weight	140 grams (0.31 lb)
Filter diameter	49mm
History
Introduction	2006

References

• www.dpreview.com

External links

• Media related to SMC Pentax-DA 21mm F3.2 Limited at Wikimedia Commons