Buy on Amazon : http://www.amazon.com/gp/product/B003VW6T4U?tag=scratchandsti-20
Bower SLY1428P Ultra Wide-Angle 14mm f/2.8 Fisheye Lens for Pentax
Super-wide 14mm focal length
High index low-dispersion multi-coated optical glass to reduce flare
Superior outer edge image quality with low distortion and chromatic aberration
Minimum focusing distance of 11 inches
Impressive 90 field of view
