Canon EF 24-70mm f/2.8L USM vs Sigma 12-24mm f/4.5-5.6 EX DG HSM
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sigma 12-24mm f/4.5-5.6 EX DG HSM is faster by 4.8 stops (f/4.5 vs f/24.0), letting in more light.
- Sigma 12-24mm f/4.5-5.6 EX DG HSM goes wider (12mm vs 24mm).
- Canon EF 24-70mm f/2.8L USM reaches further (70mm vs 24mm).
| Spec | EF 24-70mm f/2.8L USM | 12-24mm f/4.5-5.6 EX DG HSM |
|---|---|---|
| Brand | Canon | Sigma |
| Mount | Canon EF | Canon EF |
| Type | Zoom | Wide Zoom |
| Focal length | 24-70mm | 12-24mm (wider) |
| Max aperture | f/24.0 | f/4.5 (faster) |
| Released | 2002 | n/a |
| Blades | 8 | n/a |
| Format | full-frame | n/a |
| Groups | 13 | n/a |
| Af motor | USM | n/a |
| Elements | 16 | n/a |
| Weight g | 950.0 | n/a |
| Filter mm | 77 | n/a |
| Length mm | 123.5 | n/a |
| Diameter mm | 83.2 | n/a |
| Min focus m | 0.38 | n/a |
| Max magnification | 0.29 | n/a |
Canon EF 24-70mm f/2.8L USM
The 2002 original 24-70mm f/2.8L, a bulky standard zoom whose front barrel extends as you zoom. It was replaced by the Mark II in 2012.
Pros
- Constant f/2.8 aperture
- Sealed L-series construction
- Fast USM focus
- Takes 77mm filters
Cons
- Heavy at around 950g
- Barrel extends when zooming
- Softer corners than the Mark II
Sigma 12-24mm f/4.5-5.6 EX DG HSM
The Sigma 12-24mm f/4.5-5.6 EX DG HSM is a full-frame wide-angle zoom lens covering 12-24mm at f/4.5-5.6 for Canon EF mount cameras, with Hyper Sonic Motor autofocus. It covers wide angles for landscapes, interiors and architecture.
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