The Pentax smc DA 21mm F3.2 AL Limited is a moderate wide angle lens announced by
Pentax
is a brand name used primarily by the Japanese multinational imaging and electronics company Ricoh for DSLR cameras, lenses, sport optics (including binoculars and rifle scopes), and CCTV optics. The Pentax brand is also used by Hoya Corporatio ...
on February 13, 2006. It is one of the five very compact "Limited"
prime lens
In film and photography, a prime lens is a fixed focal length photographic lens (as opposed to a zoom lens), typically with a maximum aperture from f2.8 to f1.2. The term can also mean the primary lens in a combination lens system.
Confusion be ...
es 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.
References
www.dpreview.com
External links
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{{Pentax K-mount lenses
21
Pancake lenses
Camera lenses introduced in 2006