Product comparison · 2 lenses

Canon EF-S 17-55 f/2.8 IS USM vs Samsung 20 - 50mm F3.5 - 5.6

12specifications compared
8differ
4identical
5known for one product only

Key differences

The Canon EF-S 17-55 f/2.8 IS USM has 7.8° more lens viewing angle, diagonal than the Samsung 20 - 50mm F3.5 - 5.6 (78° vs 70.2°). The Samsung 20 - 50mm F3.5 - 5.6 has 2.8 more minimum aperture number than the Canon EF-S 17-55 f/2.8 IS USM (5.6 vs 2.8). The Canon EF-S 17-55 f/2.8 IS USM has 1.95 cm more diameter than the Samsung 20 - 50mm F3.5 - 5.6 (8.35 cm vs 6.4 cm). Focal length range: 17 - 55 mm on the Canon EF-S 17-55 f/2.8 IS USM, 20 - 50 mm on the Samsung 20 - 50mm F3.5 - 5.6. Compatibility: Canon DSLR on the Canon EF-S 17-55 f/2.8 IS USM, Samsung NX on the Samsung 20 - 50mm F3.5 - 5.6.

Lens viewing angle, diagonal
- EF-S 17-55 f/2.8 IS USM:78°
- 20 - 50mm F3.5 - 5.6:70.2°
Focal length range
- EF-S 17-55 f/2.8 IS USM:17 - 55 mm
- 20 - 50mm F3.5 - 5.6:20 - 50 mm
Minimum aperture number
- EF-S 17-55 f/2.8 IS USM:2.8
- 20 - 50mm F3.5 - 5.6:5.6
Compatibility
- EF-S 17-55 f/2.8 IS USM:Canon DSLR
- 20 - 50mm F3.5 - 5.6:Samsung NX
Diameter
- EF-S 17-55 f/2.8 IS USM:8.35 cm
- 20 - 50mm F3.5 - 5.6:6.4 cm
Filter size
- EF-S 17-55 f/2.8 IS USM:77 mm
- 20 - 50mm F3.5 - 5.6:40.5 mm
Length
- EF-S 17-55 f/2.8 IS USM:110.6 mm
- 20 - 50mm F3.5 - 5.6:39.8 mm
Weight
- EF-S 17-55 f/2.8 IS USM:645 g
- 20 - 50mm F3.5 - 5.6:119 g

Side by side

Differences highlightedShow differences only

Comparison of EF-S 17-55 f/2.8 IS USM, 20 - 50mm F3.5 - 5.6
17 specifications	A Canon EF-S 17-55 f/2.8 IS USM View product	B Samsung 20 - 50mm F3.5 - 5.6 View product
Lens system3 differ
Aperture range (F-F)Known for one	Unknown — not stated by the source	3.5 - 5.6
Focus adjustment	Auto/Manual	Auto/Manual
Lens viewing angle, diagonalDiffers	78°	70.2°
Focal length rangeDiffers	17 - 55 mm	20 - 50 mm
Closest focusing distanceKnown for one	Unknown — not stated by the source	0.28 m
Focal length (35mm film equivalent)Known for one	Unknown — not stated by the source	30.8 - 77 mm
Minimum aperture numberDiffers	2.8	5.6
Lens structure (elements/groups)Known for one	19/12	Unknown — not stated by the source
Image stabilizerKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Auto focus	Yes	Yes
CompatibilityDiffers	Canon DSLR	Samsung NX
Manual focus	Yes	Yes
Designidentical
Product colour	Black	Black
Weight & dimensions4 differ
DiameterDiffers	8.35 cm	6.4 cm
Filter sizeDiffers	77 mm	40.5 mm
LengthDiffers	110.6 mm	39.8 mm
WeightDiffers	645 g	119 g

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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