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{{cite web

|url=http://global.canon/en/c-museum/product/ef286.html

|title=EF20-35mm f/2.8L

|work=Canon Camera Museum

|accessdate=2016-05-18

}} and a consumer-grade {{f/}}3.5–4.5.{{cite web

|url=http://global.canon/en/c-museum/product/ef316.html

|title=EF20-35mm f/3.5-4.5 USM

|work=Canon Camera Museum

|accessdate=2016-05-18

}}

Table

class="wikitable" style="text-align:center"
Attribute	{{f/}}2.8L	{{f/}}3.5–4.5
Image \| \| 150px
colspan=3\|Key features
Image stabilizer \| colspan=2\|File:X mark.svg No
Environmental Sealing \| colspan=2\|File:X mark.svg No
USM \| File:X mark.svg No \| File:Yes check.svg Yes
L-series \| File:Yes check.svg Yes \| File:X mark.svg No
Diffractive Optics \| colspan=2\|File:X mark.svg No
colspan=3\|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 \| colspan=2\|
Vertical viewing angle \| colspan=2\|
Diagonal viewing angle \| colspan=2\|
colspan=3\|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
colspan=3\|Retail information
Release date \| October 1989 \| March 1993
MSRP ¥ \| ¥190,700 \| ¥77,000

class="wikitable" style="text-align:center"

Attribute

{{f/}}2.8L

{{f/}}3.5–4.5

Image

colspan=3|Key features

Environmental Sealing