Opteka 0.43x High Definition Auto Focus Wide Angle Lens with Macro Attachment for Canon, Fuji, Nikon, Panasonic, Sony and Sigma 49mm Threaded Lenses - Walmart.com
Lens attachment design, wide angle and telephoto lenses. | OFH
Mark Vb Wide Angle Attachment
Z-Prime Universal Wide Angle Lens with Free Adapter - Ztylus
SPL-WA | 18mm Wide Angle Lens with Universal Clip Mount | Movo
Amazon.com : Opteka 58MM 0.35x Fisheye Wide Angle Lens Compatible with Canon DSLR Cameras Including Macro Close Up Attachment : Camera Lenses : Electronics
Century Super Wide Angle Adapter Lens 0WA-5X45-00 | eBay
Amazon.com : Opteka 0.43x High Definition Auto Focus Wide Angle Lens with Macro Attachment Compatible for Canon, Fuji, Nikon, Panasonic, Sony and Sigma 55mm Threaded Lenses : Electronics