Rokinon HD8M-C 8mm f/3.5 HD Fisheye Lens with Removeable Hood for Canon DSLR 8-8mm, Fixed-Non-Zoom Lens,Black

Ultra wide-angle 8mm fisheye lens with exaggerated perspective for dramatic effects; Manual focus. Ultra-wide 180° diagonal field-of-view for APS-C size image formats--will produce a rounded image that doesn't cover the entire frame when used with compatible full frame digital cameras. Lens is constructed with hybrid aspherical elements for outstanding, sharply defined images; Lens has a minimum focusing distance of 12"" (30.48 cm) for enhanced close-up shots. Features improved HD optics for the sharper images; Lens features super multi-layer coating to reduce flare and ghost images. Aperture Range: F3.5 to F22, Minimum Focusing Distance: 11.8?(0.3m), Filter Size: 67mm. Number of Diaphragm Blades: 6; Optical Construction: 10 Glass Elements In 7 Groups. Lens Construction: 13 Elements in 11, Groups Angle of View: 63.4, Number of Diaphragm Blades: 9. Maximum aperture: 1.4, Minimum Aperture: 16, Minimum Focusing Distance: 30 cm/11.8 in, Filter Size: 67mm. Floating inner focusing system for extremely high optical performance for close up photos. Lens not zoomable