Ricoh announces HD Pentax-DA* 16-50mm F2.8 lens, set to go on sale in August for $1,400: Digital Photography Review
HD PENTAX-D FA 70-210mm F4 ED SDM WR - PENTAXForums.com in-depth review - PENTAXever.com
FS: Pentax M 85mm f2 & K 135mm f2.5
Pentax Forums - In our latest in-depth review, we take a close look at the Samyang 16mm F2, a fast ultra-wide prime perfect for landscapes or star photos: http://www.pentaxforums.com/reviews/samyang-16mm-f2-ed-as-umc-cs/introduction.html | Facebook