Amazon.com : Sigma 15mm f/2.8 EX DG Diagonal Fisheye Lens for Canon SLR Cameras : Camera Lenses : Electronics
USED - Sigma 15mm f/2.8 EX DG Fisheye Lens with Kenko 1.4x Teleconverter for Canon EF
Image taken with the Sigma 15mm f/2.8 EX DG DIAGONAL FISHEYE by photographer Sebastian Niehoff | Perspective photography, Pose reference photo, Fisheye photography
The Fullframe Fisheyes: Sigma 8mm and 15mm | JuzaPhoto
Sigma 15mm F2.8 EX DG Diagonal FishEye A-mount lens info