Thumb Score: +8 Canon: http://www.bhphotovideo.com/c/pro...Angle.html Nikon: http://www.bhphotovideo.com/c/pro...Angle.html Sony: http://www.bhphotovideo.com/c/pro...Angle.html Pentax K: http://www.bhphotovideo.com/c/pro...Angle.html Specs: Ultra Wide-Angle 8mm Fisheye Lens For APS-C Size Image Formats Rounded Image When Used With Full Frame Hybrid Aspherical Lenses -- Sharp Images Multi-Layer Coating to Reduce Flare Manual Focus Lens Minimum Focusing Distance of 12" Built-In Petal-Type Lens Hood