The Canon EF 135mm f/2L USM is designed to meet the needs of a wide range of advanced amateurs and professionals. A ten element optical formula with two UD-glass elements serves to correct residual aberrations, resulting in superb sharpness and high image quality. It is also able to obtain superior background blur with the f/2 wide aperture. The EF 135mm f/2L USM is fully compatible for AF with Extenders 1.4x and 2x. A stellar portrait and available light lens.

Key Features:

• USM / Ultra Sonic Motor
• Designed for EOS Cameras
• UD/ Ultra-Low Dispersion Elements
• Excellent Imaging Performance
• Knurled Focusing Ring
• Autofocus AF/ MF Manual Focus Modes
• Selectable Focus Distance Range Switch
• Depth of Field Scale

More information about Canon Products and Lenses: (Link to Canon Website)