Bower SLY358P Ultra Wide-Angle 8mm f/3.5 Fisheye Lens for Pentax
Bower
21% off
PENTAX DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye Lens for Pentax Digital SLR
Pentax
Vivitar VIV-7MM-P 7mm F3.5 Fisheye Lens for Pentax
Vivitar