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 |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Maximum Angle of View (Full Frame format) | 94º |
| Minimum Angle of View (Full Frame format) | 62º vertical, 84º horizontal. |
| Optical Information | |
| Lens Elements | 11 |
| Lens Groups | 9 |
| Diaphragm Blades | 6 |
| Extra-Low Dispersion Glass Elements | 11 spherical elements |
| SWC (SubWavelength Structure Coating) | No |
| Super Spectra Coating | No |
| 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 |
| Tripod Collar | No |
| Dimensions | 78 x 71mm |
| Weight | 405g |
| Other Information | |
| Available in Colors | Black |
Lens Construction
MTF Chart
User Review Policy: All user reviews are moderated. If you would like your review to be posted, please make sure that there is enough valuable information for others to read. Two or three word reviews will be deleted. Also, please do not forget to give a star ranking to the reviewed product. Thank you!