Canon EF 24mm f/1.4L II USM Autofocus Lens - 2750B002

EF Mount L-Series Lens Aperture Range: f/1.4-22 Two Aspherical and Two UD Elements Sub Wavelength Lens Coating Ultra Sonic Motor Autofocus Full-time Manual Focus Override Minimum Focus Distance: 3.0' Dust and Water Resistant Circular Diaphragm - 8 Blades 77mm Filter Diameter