USM
PRODUCT HIGHLIGHTS EF Mount L-Series Lens Aperture Range f/4-32 Fluorite and UD Lens Elements Ultrasonic Autofocus Motor Full-Time Manual Focus Override Internal Zooming and Focusing Focus Range Limiter Compatible with 1.4x and 2x Extenders Minimum Focus Distance: 3.9' 67mm Filter Thread Diameter
Canon EF 85mm f/1.8 USM Medium Telephoto Lens for Canon SLR Cameras The EF 85mm f/1.8 USM Lens from Canon is a highly practical medium telephoto prime lens ideal for a range of applications including portraiture. Its fast f/1.8 maximum aperture is effective in low light and ideal for shallow depth of field focus...