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^[1] and a consumer-grade f/3.5–4.5.^[2]

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

1. Canon Inc. "EF20-35mm f/2.8L". Canon Camera Museum. Retrieved 2016-05-18.
2. Canon Inc. "EF20-35mm f/3.5-4.5 USM". Canon Camera Museum. Retrieved 2016-05-18.

External links