The ultra-wide lens is a pivotal tool of nature and landscape photographers. Over the past few years I’ve rounded out my personal favorites that I own to include the Canon EF 15mm f/2.8 Fisheye Lens (discontinued), EF 16-35mm f/2.8L II USM, and the new EF 11-24mm f/4L USM. Note I’ve excluded the Canon EF 8-15mm f/4L Fisheye which I do not own and the Zeiss Distagon T* 15mm f/2.8 ZE Lens that I do own and