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 2.8L and a consumer-grade 3.5–4.5. Table Successor lenses The 20-35mm lens was followed by two other L-series ultra-wide lenses: EF 17–35mm 2.8L EF 16–35mm 2.8L USM The EF 17–40mm 4L USM is another wide-angle lens that has a similar focal range References External links 20-35mm lens