slightly smaller than the sensor size used by other popular manufacturers of cameras with APS-C sensors, such as Fuji, Minolta, Nikon, Pentax, and Sony. The other common APS-C sensors range from on the long dimension and on the shorter side, for a diagonal between . Circular APS-C fisheye lenses Sigma 4.5 mm 2.8 Lensbaby 5.8mm 3.5 Diagonal APS-C fisheye lenses Nikon 10.5 mm 2.8 for Nikon F DSLRs Samyang 8 mm 3.5 for various APS DSLRs. Notable for its stereographic projection. Samyang 8 mm 2.8 for various mirrorless mounts. Notable for its stereographic projection. Sigma 10 mm 2.8 for various APS DSLRs. Zoom APS-C fisheye lenses Pentax 10–17 mm 3.5–4.5 = Tokina 10–17 mm 3.5–4.5 (jointly developed) for various APS DSLRs. Noteworthy fisheye lenses for 35 mm full frame cameras Circular fisheye lenses Accura 12 mm 8 (180° portrait fisheye lens, i.e. optimised for the height rather than the width of the frame, thus giving a circular image of larger diameter, i.e. cropped at the top and bottom. 1968. Sold as Beroflex, Berolina, Panomar, Sigma, Spiratone, Universa, Upsilon, Vemar etc. Very bad.) C-4 Optics Hyperfisheye 4.9 mm 3.5 (270°, 2020, for mirrorless camera only, 13kg) Canon FD 7.5 mm 5.6 (180°, 1971, three versions: initial version with silver bayonet ring, 1973 S.S.C. version with silver bayonet ring, 1979 NewFD version with the same SSC coating, black bayonet ring; all have inbuilt, wheel-selectable colour filters) Entaniya HAL 200 6 mm 4 (200°, 19.9 mm image diameter, for mirrorless camera only) Entaniya HAL 250 6 mm 5.6 (250°, 23.7 mm image diameter, for mirrorless camera only, fixed aperture, 2 kg (the company also makes a 280° model with however only 5mm image diameter)) Nikon F 6 mm 2.8 (220°, 1972) Nikon F 6 mm 5.6 (220°, 1970) Nikon F 6.2 mm 5.6 (230° and at its time the widest fisheye. Looks like the aforementioned 6 mm f/5.6, but different engraving: 6.2 mm 230°. Reportedly the rarest Nikon lens in existence, only 3 produced) Nikon F 7.5 mm 5.6 (220°, 1966) Nikon F 8 mm 2.8 (180°, 1970) Nikon F 8 mm 8 (180°, 1962) Olympus OM Auto-Fisheye 8 mm 2.4 (180°, rare) Peleng 8 mm 3.5 (180°) Sigma 8 mm 4.0 EX DG (180°) Sigma 8 mm 3.5 EX DG (180°, succeccor of the above Sigma 8 mm 4.0) Full-frame (i.e. diagonal) fisheye lenses Canon EF 15 mm 2.8 (optically simpler successor