Comparison: Sigma 135mm F1.8 DG HSM Art - Canon vs Sirui 135mm T2.9 1.8x - (Sony E Mount)
| Sigma 135mm F1.8 DG HSM Art - Canon | Sirui 135mm T2.9 1.8x - (Sony E Mount) | |
 |  | |
| Brand | Sigma | Sirui |
| See Lowest Price | See Lowest Price |
| Sigma 135mm F1.8 DG HSM Art - Canon | Sirui 135mm T2.9 1.8x - (Sony E Mount) | |
| | |
| Brand | Sigma | Sirui |
| See Lowest Price | See Lowest Price |