Introduced in 1987, there’s a reason this canon fisheye has stood the test of time. one of canon’s higher-end fisheye lenses, it’s for use only with full-frame cameras.. This photo was taken with a full-frame canon ef 15mm f/2.8 fisheye lens on a canon eos 5d (f/5.6, 1/200 s. iso 100, aperture priority). the lens gives a 180 degree diagonal view which is an excellent choice for that different view for a wedding assignment.. The other day, i went out on a photo shoot to exercise my new canon ef 8-15mm f/4l fisheye usm lens. this lens produces circular 180