Canon EF 20-35mm lens
# Canon EF 20-35mm lens

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 | No |
| Environmental Sealing | No | No |
| USM | No | Yes |
| L-series | Yes | No |
| Diffractive Optics | No | 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
