The EF 135mm f/2L USM Lens from Canon is designed to meet the needs of a wide range of advanced amateurs and professionals. With its f/2 maximum aperture, it is effective in low light situations and able to obtain shallow depth of field with superior background blur. A ten element optical formula with two UD-glass elements serves to correct residual aberrations, resulting in superb sharpness and high image quality.

Quick Specs:

• Focal length: 135mm

• Maximum aperture: f/2.0

• Lens construction: 10 elements in 8 groups

• Angle of view: 18 degrees

• Closest focusing distance: 3 feet

• Focus adjustment: Rear focusing system with USM

• Mount: Canon

• Filter size: 72mm

• Dimensions: 3.2 inches in diameter and 4.4 inches long

• Weight: 1.7 pounds