Compare lenses

Canon EF 75-300mm f/4-5.6 III vs Tamron SP 70-300mm f/4-5.6 Di VC USD

The Canon EF 75-300mm f/4-5.6 III and the Tamron SP 70-300mm f/4-5.6 Di VC USD side by side, computed from this guide's catalogue.

Which to pick

Pick the Tamron SP 70-300mm f/4-5.6 Di VC USD if you want optical stabilisation, which helps most on bodies without it and a fit on more cameras (39 against 22 in this guide). On these specs the Canon EF 75-300mm f/4-5.6 III 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 75-300mm f/4-5.6 III and the Tamron SP 70-300mm f/4-5.6 Di VC USD

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 75-300mm f/4-5.6 III	Tamron SP 70-300mm f/4-5.6 Di VC USD
Maker	Canon	Tamron
Focal length	75-300mm (zoom)	70-300mm (zoom)
Full-frame equivalent	75-300mm	70-300mm
Maximum aperture	f/4-5.6	f/4-5.6
Made for	Full frame	Full frame
Mounts	Canon EF	Canon EF, Nikon F
Stabilised	no	yesstabilised
Autofocus	yes	yes
Zoom range	4.0×	4.3×
Cameras it fits	22 in this guide	39 in this guidefits more cameras

Focal range, in full-frame terms

Canon EF 75-300mm f/4-5.6 III: 75-300mm.

Tamron SP 70-300mm f/4-5.6 Di VC USD: 70-300mm.

Aperture

Canon EF 75-300mm f/4-5.6 III: f/4 wide open.

Tamron SP 70-300mm f/4-5.6 Di VC USD: f/4 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 75-300mm f/4-5.6 III fits 22 and the Tamron SP 70-300mm f/4-5.6 Di VC USD 39.