Compare lenses

Canon EF 180mm f/3.5L Macro USM vs Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1

The Canon EF 180mm f/3.5L Macro USM and the Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1 side by side, computed from this guide's catalogue.

Which to pick

Pick the Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1 if you want a fit on more cameras (39 against 22 in this guide). On these specs the Canon EF 180mm f/3.5L Macro USM has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the Canon EF 180mm f/3.5L Macro USM and the Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1

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 180mm f/3.5L Macro USM	Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1
Maker	Canon	Tamron
Focal length	180mm (macro)	180mm (macro)
Full-frame equivalent	180mm	180mm
Maximum aperture	f/3.5	f/3.5
Made for	Full frame	Full frame
Mounts	Canon EF	Canon EF, Nikon F
Stabilised	no	no
Autofocus	yes	yes
Cameras it fits	22 in this guide	39 in this guidefits more cameras

Focal range, in full-frame terms

Canon EF 180mm f/3.5L Macro USM: 180mm.

Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1: 180mm.

Aperture

Canon EF 180mm f/3.5L Macro USM: f/3.5 wide open.

Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1: 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

22 cameras in this guide take both, so either works on the same body. In all, the Canon EF 180mm f/3.5L Macro USM fits 22 and the Tamron SP AF 180mm f/3.5 Di LD (IF) Macro 1:1 39.