Product comparison · 2 lenses

Canon EF 20-35mm f/3.5-4.5 USM vs Canon EF-S 17-55mm f/2.8 IS USM

8specifications compared
5differ
3identical
9known for one product only

Key differences

The Canon EF-S 17-55mm f/2.8 IS USM has 0.01 m more closest focusing distance than the Canon EF 20-35mm f/3.5-4.5 USM (0.35 m vs 0.34 m). The Canon EF-S 17-55mm f/2.8 IS USM has 305 g more weight than the Canon EF 20-35mm f/3.5-4.5 USM (645 g vs 340 g). The Canon EF-S 17-55mm f/2.8 IS USM has 0.04 x more magnification than the Canon EF 20-35mm f/3.5-4.5 USM (0.17x vs 0.13x). Lens structure (elements/groups): 12/11 on the Canon EF 20-35mm f/3.5-4.5 USM, 19/12 on the Canon EF-S 17-55mm f/2.8 IS USM. Focal length range: 20 - 35 mm on the Canon EF 20-35mm f/3.5-4.5 USM, 17 - 55 mm on the Canon EF-S 17-55mm f/2.8 IS USM.

Lens structure (elements/groups)
- EF 20-35mm f/3.5-4.5 USM:12/11
- EF-S 17-55mm f/2.8 IS USM:19/12
Focal length range
- EF 20-35mm f/3.5-4.5 USM:20 - 35 mm
- EF-S 17-55mm f/2.8 IS USM:17 - 55 mm
Closest focusing distance
- EF 20-35mm f/3.5-4.5 USM:0.34 m
- EF-S 17-55mm f/2.8 IS USM:0.35 m
Weight
- EF 20-35mm f/3.5-4.5 USM:340 g
- EF-S 17-55mm f/2.8 IS USM:645 g
Magnification
- EF 20-35mm f/3.5-4.5 USM:0.13x
- EF-S 17-55mm f/2.8 IS USM:0.17x

Side by side

Differences highlightedShow differences only

Comparison of EF 20-35mm f/3.5-4.5 USM, EF-S 17-55mm f/2.8 IS USM
17 specifications	A Canon EF 20-35mm f/3.5-4.5 USM View product	B Canon EF-S 17-55mm f/2.8 IS USM View product
Lens system3 differ
Lens structure (elements/groups)Differs	12/11	19/12
Focal length rangeDiffers	20 - 35 mm	17 - 55 mm
Closest focusing distanceDiffers	0.34 m	0.35 m
Focal length (35mm film equivalent)Known for one	Unknown — not stated by the source	27 - 88 mm
Maximum aperture number	22	22
Image stabilizerKnown for one	Unknown — not stated by the source	Yes
Lens viewing angle, diagonalKnown for one	94°	Unknown — not stated by the source
Number of diaphragm bladesKnown for one	5	Unknown — not stated by the source
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
AF actuatorKnown for one	Unknown — not stated by the source	USM
Designidentical
Product colour	Black	Black
Weight & dimensions1 differ
DiameterKnown for one	Unknown — not stated by the source	8.35 cm
Filter size	77 mm	77 mm
LengthKnown for one	Unknown — not stated by the source	110.6 mm
WeightDiffers	340 g	645 g
Packaging contentidentical
Soft travel pouchKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
MagnificationDiffers	0.13x	0.17x

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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