Technical Specifications
Parameter Specification Details
Focal Length Range 11–24 mm
Aperture Range Maximum: f/4
Lens Mount Canon EF
Format Coverage Full-Frame
Angle of View (Diagonal) 126° 05′ to 84° 00′
Lens Construction 16 elements in 11 groups
Special Optical Elements 4 Aspherical elements, 1 Super UD element, 1 UD element
Aperture Blades 9 (rounded diaphragm)
Minimum Focusing Distance 11 inches / 0.28 meters (at 24 mm)
Maximum Magnification 0.16x
Autofocus Motor Ring-type Ultrasonic Motor (Ring USM)
Manual Focus Override Yes (Full-time manual focus)
Image Stabilization No
Filter Size / Type Rear insert-type gel filter holder (front thread filters not supported due to bulbous front element)
Weather Sealing Yes (Highly dust and moisture resistant L-series build)
Dimensions (Diameter x Length) 4.3 x 5.2 inches / 108.0 x 132.0 mm
Weight 41.6 oz. / 1,180 grams
Lens Coatings Sub-Wavelength Coating (SWC), Air Sphere Co