Opteka 6.5mm f/3.5 Manual Focus Aspherical Wide Angle Fisheye Lens with Cleaning Kit for Nikon D7500, D7200, D7100, D7000, D5500, D5300, D5200, D5100, D3400, D3300, D3200 and D3100 Digital SLR Cameras Camera
Amazon.com : Opteka 0.35X Professional Super Wide Angle Fisheye Lens with Macro Close Up for Canon Vixia HF G40, G20, XF205, XF200, XF105, XF100, XA35, XA30, XA25, XA10, XC10, GL2 and GL1
Opteka 650-1300mm f/8 Telephoto Zoom Lens for Canon FD Mount SLR Cameras | eBay
Opteka 12mm f/2.8 HD MC Manual Focus Prime Wide Angle Lens for Canon E
Amazon.com : Opteka .35x HD2 Super Wide Angle Panoramic Macro Fisheye Lens for Canon EOS/EF : Electronics
Amazon.com : Opteka 52mm 2.2X High Definition AF Telephoto Lens for Canon, Fuji, Nikon, Panasonic and Sigma Threaded Lenses : Electronics
Opteka 650-1300mm f/8 Super Zoom Lens for Canon EF-M EOS M100, M50, M10, M6, M5, M3, M2 and M Compact Digital Mirrorless Cameras - Walmart.com
Opteka Achromatic 10x Diopter Close-Up Macro Lens for Canon EOS-M/EOS-