Sigma 15mm f/2.8 EX DG Diagonal Fisheye 180° Lens for Canon

This lens is designed for full-frame digital SLR cameras and offers a 180° diagonal angle of view, creating a distinctive distorted perspective. It has a bright f/2.8 maximum aperture, making it suitable for low-light conditions. The lens features a minimum focusing distance of 15cm (5.9 inches), allowing for close-up shots with exaggerated perspectives. It incorporates an insertion-type gelatin filter holder at the rear for creative filter use. The DG lens coating helps reduce flare and ghosting, optimizing color balance, especially for digital cameras.

eBay