USED: Tokina 10-17mm DX AF Fisheye Lens for Canon DSLR
Meike 8mm F3.5 Fisheye Manual Lens Aps-c/ Full-frame For Canon Ef Eos 6d 60d 70d 80d 5d2 5d3 600d 1100d Dslr Cameras - Camera Lenses - AliExpress
Altura Photo 8mm f/3.0 Fisheye Lens for NIKON DSLR Professional Ultra Wide Angle Aspherical Fixed Lens
Amazon.com : Opteka 58MM 0.35x Fisheye Wide Angle Lens Compatible with Canon DSLR Cameras Including Macro Close Up Attachment : Camera Lenses : Electronics