Compatibility: This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L.
Specifications: Focal Length: 10.5mm
Maximum Aperture: 2.8
Minimum Aperture: 22
Autofocus
Distance Information
ED Glass Elements
Super Integrated Coating
Minimum Focus Distance: 0.46 ft. (0.14m)
Angle of View: 180-degrees
Lens (Elements): 10
ED (Elements): 1
Maximum Reproduction Ratio: 1/5
Dimensions: 2.5" x 2.5" (Diameter x Length)
Weight: (305g)