Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.
Canon RF 100mm f/2.8L Macro IS USM comes out ahead by a narrow margin (4.9 vs 4.7). The gap is mostly about Canon RF system shooters wanting flagship macro — read the strengths below before deciding.
The RF 100mm L is the best-overall pick — Canon's flagship macro with 1.4x and creative SA control.
The Tamron 90mm is the value pick — third-party macro at $699 with VXD AF and weather sealing.
Best overall. 1.4x mag. SA Control unique.
Best value. Third-party. No OIS (body IS).
| Spec | Canon RF 100mm f/2.8L Macro IS USM | Tamron 90mm f/2.8 Di III VXD |
|---|---|---|
| Mag | 1.4x | 1:1 |
| Mount | Canon RF | — |
| IS | Hybrid | — |
| Brand | Canon | Tamron |
| Mounts | — | Sony FE + Nikon Z |
| Weather | — | Resistant |