The EF 20–35mm lens is a wide-angle lens made by Canon Inc., with an EF mount. There are two models, an L-series f/2.8L and a consumer-grade f/3.5–4.5.
Table
| Attribute | f/2.8L | f/3.5–4.5 |
|---|---|---|
| Image | 
| |
| Key features | ||
| Image stabilizer |  No
| |
| Environmental Sealing | No
| |
| USM | No
|
 Yes
|
| L-series | Yes
|
No
|
| Diffractive Optics | No
| |
| Technical data | ||
| Maximum aperture | f/2.8 | f/3.5–4.5 |
| Minimum aperture | f/32 | f/22–27 |
| Filter diameter | 72 mm | 77 mm |
| Horizontal viewing angle | ||
| Vertical viewing angle | ||
| Diagonal viewing angle | ||
| Physical data | ||
| Weight | 570 g | 340 g |
| Max. Diameter x Length | 89 mm x 79.2 mm | 83.5 mm x 68.9 mm |
| Groups/elements | 12/15 | 11/12 |
| # of diaphragm blades | 8 | 5 |
| Closest focusing distance | 0.5 m | 0.34 m |
| Retail information | ||
| Release date | October 1989 | March 1993 |
| MSRP ¥ | ¥190,700 | ¥77,000 |
Successor lenses
The 20-35mm lens was followed by two other L-series ultra-wide lenses:
- EF 17–35mm f/2.8L
- EF 16–35mm f/2.8L USM
- The EF 17–40mm f/4L USM is another wide-angle lens that has a similar focal range
References
- Canon Inc. "EF20-35mm f/2.8L". Canon Camera Museum. Retrieved 2016-05-18.
- Canon Inc. "EF20-35mm f/3.5-4.5 USM". Canon Camera Museum. Retrieved 2016-05-18.
External links
| Canon EF/EF-S/EF-M lenses | |
|---|---|
| EF-S zoom | |
| Ultra-wide zoom | |
| Standard zoom | |
| Telephoto zoom | |
| Wide-angle prime | |
| Standard prime | |
| Telephoto prime | |
| Super telephoto prime | |
| Distorting lens | |
| Tilt-shift | |
| Macro | |
| EF-M zoom | |
| EF-M prime | |
| Lens accessories | |
| Discontinued zoom | |
| Discontinued prime | |
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