Comparison: Sigma 135mm F1.8 DG HSM - Sony vs Sirui 75mm T2.9 1.6x
| Sigma 135mm F1.8 DG HSM - Sony | Sirui 75mm T2.9 1.6x | |
 |  | |
| Brand | Sigma | Sirui |
| See Lowest Price | See Lowest Price | |
| Vikt | 1130 | - |
| Sigma 135mm F1.8 DG HSM - Sony | Sirui 75mm T2.9 1.6x | |
| | |
| Brand | Sigma | Sirui |
| See Lowest Price | See Lowest Price | |
| Vikt | 1130 | - |