Producing an expansive 180° angle of view. the Canon EF-mount?15mm f/2.8 EX DG Diagonal Fisheye Lens?from?Sigma?offers a super-wide perspective for creative applications. As a diagonal fisheye. this lens produces a notably distorted image that fills the entire frame. and its minimum focusing distance of 5.9 allows for working with unique perspectives with close-up subjects. Additionally. the bright f/2.8 maximum aperture benefits working in difficult and low-light conditions by allowing the use of faster shutter speeds.