Lens Summary
Brand: Canon
Also Known As: Canon 20mm f/2.8
Lens Type: Prime Lens
Format: Full Frame / FX
Focus: Autofocus
Lens Mount: Canon EF
Release Date: 1992-01-01
MSRP Price: $489
Made in: Japan
Infrared Rating: Poor
Production Status: In Production
Lens Description: Ultra-wide-angle lens for serious applications. Easy to hold and carry at 14.3 oz. (405g). Floating rear focusing system. Sharp images are obtained at all subject distances
Canon EF 20mm f/2.8 USM Specifications
Lens Specifications | |
---|---|
Lens Type | Prime Lens |
Focal Length | 20mm |
Mount Type | Canon EF |
Format | Full Frame / FX |
Compatible Format(s) | 35mm Film / Full-Frame Digital Sensor Canon (APS-C) |
Compatible with Teleconverters | No |
Maximum Reproduction Ratio | 1:7.1 |
Image Stabilizer (Image Stabilization) | No |
Aperture Information | |
Aperture Ring | No |
Maximim Aperture | f/2.8 |
Minimum Aperture | f/22 |
Maximum Angle of View (Full frame or larger format) | 94º |
Minimum Angle of View (Full frame or larger format) | 62º vertical, 84º horizontal. |
Optical Information | |
Lens Elements | 11 |
Lens Groups | 9 |
Diaphragm Blades | 6 |
Extra-Low Dispersion Glass Elements | 11 spherical elements |
Focus Information | |
Focus | Autofocus |
Built-in Focus Motor | Yes |
UltraSonic Motor (USM) | Yes |
Rear Focusing | Yes |
Minimum Focus Distance | 0.25m |
Distance Information | Yes |
Filter Information | |
Filter Size | 72mm |
Accepts Filter Type | Screw-on |
Physical Characteristics | |
Weather / Dust Sealing | No |
Mount Material | Metal |
Dimensions | 78 x 71mm |
Weight | 405g |
Other Information | |
Available in Colors | Black |
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