title: Canon EF 20-35mm lens
text: # 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
  