Compare lenses

Canon EF-S 10-18mm f/4.5-5.6 IS STM vs Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF)

The Canon EF-S 10-18mm f/4.5-5.6 IS STM and the Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF) side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon EF-S 10-18mm f/4.5-5.6 IS STM if you want optical stabilisation, which helps most on bodies without it. Pick the Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF) if you want a brighter f/3.5 (0.7 stops more light), for dim light and softer backgrounds; more reach (to 36mm equivalent); and a fit on more cameras (51 against 14 in this guide).

Still torn? Ask the guide about the Canon EF-S 10-18mm f/4.5-5.6 IS STM and the Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF)

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Canon EF-S 10-18mm f/4.5-5.6 IS STM	Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF)
Maker	Canon	Tamron
Focal length	10-18mm (zoom)	10-24mm (zoom)
Full-frame equivalent	15-27mm on APS-C	15-36mm on APS-C
Maximum aperture	f/4.5-5.6	f/3.5-4.5brighter
Made for	APS-C	APS-C
Mounts	Canon EF	Canon EF, Nikon F, Pentax K
Stabilised	yesstabilised	no
Autofocus	yes	yes
Zoom range	1.8×	2.4×more range
Cameras it fits	14 in this guide	51 in this guidefits more cameras

Focal range, in full-frame terms

Canon EF-S 10-18mm f/4.5-5.6 IS STM: 10-18mm on APS-C, like 15-27mm.

Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF): 10-24mm on APS-C, like 15-36mm.

Aperture

Canon EF-S 10-18mm f/4.5-5.6 IS STM: f/4.5 wide open.

Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF): f/3.5 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

14 cameras in this guide take both, so either works on the same body. In all, the Canon EF-S 10-18mm f/4.5-5.6 IS STM fits 14 and the Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF) 51.