
Amazon.com : Opteka 58MM 0.35x Fisheye Wide Angle Lens Compatible with Canon DSLR Cameras Including Macro Close Up Attachment : Camera Lenses : Electronics,

Amazon.com : Opteka OPT-SC58FE Titanium Series 0.3X HD Ultra Fisheye Lens for 58mm Digital Video Camcorders Black : Camcorder Lenses : Electronics,

Opteka 6.5mm f/3.5 Professional Ultra Wide Angle Aspherical Fisheye Lens for Canon EF-Mount EOS 90D, 80D, 77D, 70D, 60D, 50D, 7D, Rebel T8i, T7i, T7s, T6s, T6i, T6, T5i, T5, T4i, T3i, T3, T2i and SL3 - Amazon.com,

Amazon.com : Opteka 58MM 0.35x Fisheye Wide Angle Lens Compatible with Canon DSLR Cameras Including Macro Close Up Attachment : Camera Lenses : Electronics,

Opteka Platinum Series 58mm 0.3X HD Ultra Fisheye Lens For The Panasonic SC-HMX20 Digital Video Camcorder,