Pentax D FA 100mm WR Lens on:
[Wikipedia]
[Google]
[Amazon]
The Pentax smc D-FA 100 mm F2.8 Macro WR is a macro lens for K-mount announced by 
www.dpreview.com
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 Corporation ...
on December 9, 2009.
References
www.dpreview.com
External links
* {{Pentax K-mount lenses100
100 or one hundred (Roman numeral: C) is the natural number following 99 and preceding 101.
In medieval contexts, it may be described as the short hundred or five score in order to differentiate the English and Germanic use of "hundred" to de ...
Pentax 100mm f/2.8