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
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 x 79.2 mm	83.5 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

External links

Canon

Canon EF/EF-S/EF-M lenses

EF-S zoom	EF-S 10–18mm EF-S 10–22mm EF-S 15–85mm EF-S 17–55mm EF-S 17–85mm EF-S 18–55mm EF-S 18–135mm EF-S 18–200mm EF-S 55–250mm

Ultra-wide zoom	EF 11-24mm EF 16–35mm EF 17–40mm

Standard zoom	EF 24–70mm EF 24–105mm EF 28–135mm EF 28–300mm

Telephoto zoom	EF 70–200mm EF 70–300mm EF 100–400mm EF 200–400mm

Wide-angle prime	EF 14mm EF 20mm EF 24mm EF-S 24mm EF 28mm EF 35mm

Standard prime	EF 40mm EF 50mm

Telephoto prime	EF 85mm EF 100mm EF 135mm EF 200mm

Super telephoto prime	EF 300mm EF 400mm EF 500mm EF 600mm EF 800mm

Distorting lenses	EF 8–15mm Fisheye EF 135mm with Softfocus

Tilt-shift	TS-E 17mm TS-E 24mm TS-E 45mm TS-E 90mm

Macro	EF 50mm Compact Macro EF-S 60mm Macro MP-E 65mm 1–5x Macro EF 100mm Macro EF 180mm Macro

EF-M zoom	EF-M 11–22mm EF-M 18–55mm EF-M 55-200mm

EF-M prime	EF-M 22mm

Lens accessories	Extender EF

Discontinued zoom	EF 17–35mm EF 20–35mm EF 22–55mm EF 24–85mm EF 28–70mm EF 28–80mm EF 28–90mm EF 28–105mm EF 28–200mm EF 35–80mm EF 35–105mm EF 35–350mm EF 55–200mm EF 70–210mm EF 75–300mm EF 80–200mm EF 90–300mm EF 100–200mm EF 100–300mm

Discontinued prime	EF 15mm Fisheye EF 1200mm