Highlights
• 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
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".
Ultra-wide-angle lens with diagonal angle of view of 94° for full frame EF mount DSLRs and Ultrasonic autofocus motor for precise, fast and quiet autofocus. features a Manual Focus Override & 9.8" minimum focus distance withSix-blade circular aperture design
| Performance | ||||
| Focal Length | 20mm | |||
| Comparable APS-C 1.6x = 32 mm | ||||
| Aperture | Maximum: f/2.8 | |||
| Minimum: f/22 | ||||
| Camera Mount Type | Canon EF | |||
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor | |||
| Canon (APS-C) | ||||
| Angle of View | 94° | |||
| Minimum Focus Distance | 9.84" (25 cm) | |||
| Magnification | 0.14x | |||
| Maximum Reproduction Ratio | (1:07) | |||
| Elements/Groups | 11/(09) | |||
| Diaphragm Blades | 6 | |||
| Features | ||||
| Image Stabilization | No | |||
| Autofocus | Yes | |||
| Tripod Collar | No | |||
| Physical | ||||
| Filter Thread | 72 mm | |||
| Dimensions (DxL) | Approx. 3.05 x 2.78" (77.5 x 70.6 mm) | |||
| Weight | 14.29 oz (405 g) | |||
| Packaging | ||||
| Package Weight | 1.4 lb | |||
| Box Dimensions (LxWxH) | 6.0 x 5.4 x 5.4" | |||
