CANON EF 20mm f/2.8 USM Lens
The EF 20mm f/2.8 USM Lens from Canon is an ultra-wide-angle lens with a fast maximum aperture for full frame EF mount cameras. A floating rear focusing system gives sharp images at all subject distances and an ultrasonic motor (USM) enables fast, smooth and quiet autofocus. Full-time manual focus override allows for precise manual focus even when in AF mode. The minimum focus distance is 9.8".
EF Mount Lens
Aperture Range: f/2.8-22
Aspherical and Super UD Elements
Ultrasonic Autofocus Motor
Floating Rear Focusing System
Manual Focus Override
Metal Filter Ring and Lens Hood Mount
Truly Circular Diaphragm
Minimum Focus Distance: 9.8"
72mm Filter Thread Diameter