§ 03 Head to head

Canon EF-S 17-55 mm f/2.8 IS USM vs Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM

Canon 17–55mm f/2.8 has a brighter maximum aperture. Sigma 17–70mm f/2.8-4 has a longer reach.

The Canon EF-S 17-55 mm f/2.8 IS USM is a 17–55mm f/2.8 zoom, and the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM is a 17–70mm f/2.8-4 zoom. On paper the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM comes out ahead, 6 advantages to 1, but which one suits you depends on what you shoot.

01

Key differences

From manufacturer specifications

Why is the Canon EF-S 17-55 mm f/2.8 IS USM better than the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM?

  • Brighter maximum aperture (f/2.8 vs f/2.8-4)

Why is the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM better than the Canon EF-S 17-55 mm f/2.8 IS USM?

  • Longer reach (70mm vs 55mm)
  • 175 g lighter (470 g vs 645 g)
  • 32 mm shorter (79 mm vs 110.6 mm long)
  • Focuses 13 cm closer (0.22 m vs 0.35 m)
  • Smaller filter thread (72 mm vs 77 mm)
  • Newer design (2012 vs 2006)
02

Which should you buy?

By use
  • landscape For landscape photography, the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM has the edge: it is 175 g lighter to carry.
  • architecture For architecture, the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM has the edge: it is 175 g lighter to carry.
  • macro For macro photography, the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM has the edge: it focuses closer, down to 0.22 m.
03

Specification

15 rows · better value flagged ◆
SpecificationCanon EF-S 17-55 mm f/2.8 IS USMSigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM
Focal length17–55mm 17–70mm
Maximum aperturef/2.8 ◆f/2.8-4
Minimum aperturef/22 f/22
Lens typeZoom lens Zoom lens
FormatAPS-C APS-C
Weight645 g (22.75 oz) 470 g (16.58 oz) ◆
Dimensions83.5 x 110.6 mm 82 x 79 mm
Minimum focusing distance0.35 m (13.78 inches) 0.22 m (8.66 inches) ◆
Image stabilizationYes Yes
Aperture ring—No
Aperture blades7 7
Optical construction19 elements in 12 groups 16 elements / 14 groups
Filter size77 mm 72 mm ◆
Lens mountCanon EF-S Nikon F, Sony A, Pentax K, Canon EF-S
Released2006 2012
04

Size

Drawn to relative scale
  • A · Canon
  • B · Sigma
  • 110.6 × 83.5 mm
  • 79 × 82 mm

The Canon EF-S 17-55 mm f/2.8 IS USM is 32 mm longer and 175 g heavier than the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM.

05

Sample frames

Shot on each lens

Canon EF-S 17-55 mm f/2.8 IS USM

Vistas desde la Torre A'Dam Lookout (6)
Vistas desde la Torre A'Dam Lookout (6) by lebeauserge.es
Vistas desde la Torre A'Dam Lookout (5)
Vistas desde la Torre A'Dam Lookout (5) by lebeauserge.es
🇫🇷 En voyage de Clermont a Chambéry
🇫🇷 En voyage de Clermont a Chambéry by videostrains
Vistas desde la Torre A'Dam Lookout (4)
Vistas desde la Torre A'Dam Lookout (4) by lebeauserge.es

Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM

500_5784
500_5784 by redskin83
500_5801
500_5801 by redskin83
...
... by strzyrzyc
New Colors
New Colors by W Gaspar
06

Video reviews

4 on YouTube
Video thumbnail for Canon EF-S 17-55 mm f/2.8 IS USM review 1
Video thumbnail for Canon EF-S 17-55 mm f/2.8 IS USM review 2
Video thumbnail for Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM review 1
Video thumbnail for Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM review 2
07

Questions

Which lens has the brighter aperture, the Canon EF-S 17-55 mm f/2.8 IS USM or the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM?
The Canon EF-S 17-55 mm f/2.8 IS USM opens to f/2.8, against f/2.8-4 on the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM.
Which is lighter, the Canon EF-S 17-55 mm f/2.8 IS USM or the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM?
The Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM weighs 470 g, 175 g less than the Canon EF-S 17-55 mm f/2.8 IS USM (645 g).
Which focuses closer, the Canon EF-S 17-55 mm f/2.8 IS USM or the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM?
The Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM focuses down to 0.22 m, against 0.35 m for the Canon EF-S 17-55 mm f/2.8 IS USM.
Do the Canon EF-S 17-55 mm f/2.8 IS USM and the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM have image stabilization?
Yes, both lenses have optical image stabilization.
Is the Canon EF-S 17-55 mm f/2.8 IS USM or the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM better for landscape photography?
For landscape photography, the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM has the edge: it is 175 g lighter to carry.
Is the Canon EF-S 17-55 mm f/2.8 IS USM or the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM better for architecture?
For architecture, the Sigma C 17-70 mm f/2.8-4.0 DC Macro OS HSM has the edge: it is 175 g lighter to carry.
08

Other comparisons