Opteka 6.5mm f/3.5 Fisheye Lens for Canon EF
Opteka 6.5mm f/3.5 Fisheye Lens for Nikon F
Opteka 420-800mm f/8.3 HD Telephoto Zoom Lens for T Mount
Opteka 28mm f/2.8 Lens for Micro Four Thirds
Opteka 50mm f/2 Lens for Sony E
Opteka 12mm f/2.8 Lens for Micro Four Thirds
Opteka 6.5mm f/2 Fisheye Lens for Fujifilm X
Opteka 500mm f/8 Preset Telephoto Lens for T Mount