Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon

Description Manual focus wide-angle lens (Canon EF Mount) A unique full frame rectilinear lens with a stunning 126° field of view Aperture range: f/4.0 - f/22 Focus ring locking 9 Rounded blades Ultra-lightweight construction Printed markings on body Rear gelatin filter slot Weather sealed offering resistance to the elements Infinity click and hyperfocal scale Optical construction - 16 elements/10 groups includes 4 high refractive lenses, 2 ED lenses and 3 aspherical lenses to ensure minimal distortion (3.13%), ghosting and lens flare Neutrino coating Built-in petal style lends hood Comes with soft lens pouch