Compare lenses

Canon EF 100mm f/2.8 Macro USM vs TTArtisan 100mm f/2.8 2X Macro

The Canon EF 100mm f/2.8 Macro USM and the TTArtisan 100mm f/2.8 2X Macro side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon EF 100mm f/2.8 Macro USM if you want autofocus. Pick the TTArtisan 100mm f/2.8 2X Macro if you want a fit on more cameras (170 against 22 in this guide).

Still torn? Ask the guide about the Canon EF 100mm f/2.8 Macro USM and the TTArtisan 100mm f/2.8 2X Macro

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 100mm f/2.8 Macro USM	TTArtisan 100mm f/2.8 2X Macro
Maker	Canon	TTArtisan
Focal length	100mm (macro)	100mm (macro)
Full-frame equivalent	100mm	100mm
Maximum aperture	f/2.8	f/2.8
Made for	Full frame	Full frame
Mounts	Canon EF	Sony E, Fujifilm X, Nikon Z, Canon RF, L-Mount, Canon EF, Nikon F
Stabilised	no	no
Autofocus	yesautofocus	no, manual focus
Cameras it fits	22 in this guide	170 in this guidefits more cameras

Focal range, in full-frame terms

Canon EF 100mm f/2.8 Macro USM: 100mm.

TTArtisan 100mm f/2.8 2X Macro: 100mm.

Aperture

Canon EF 100mm f/2.8 Macro USM: f/2.8 wide open.

TTArtisan 100mm f/2.8 2X Macro: f/2.8 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 100mm f/2.8 Macro USM fits 22 and the TTArtisan 100mm f/2.8 2X Macro 170.