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
Samyang 14mm f/2.8 IF ED Pentax - Photospecialist
Samyang 100mm F2.8 ED UMC Full Frame Telephoto Macro Lens for Pentax Digital SLR Cameras - black, one size - Walmart.com