Comparison: Tamron 70-180mm F2.8 Di III VXD vs Sirui 135mm T2.9 1.8x - (Sony E Mount)
| Tamron 70-180mm F2.8 Di III VXD | Sirui 135mm T2.9 1.8x - (Sony E Mount) | |
 |  | |
| Brand | Tamron | Sirui |
| See Lowest Price | See Lowest Price | |
| Vikt | 815 | - |
| Tamron 70-180mm F2.8 Di III VXD | Sirui 135mm T2.9 1.8x - (Sony E Mount) | |
| | |
| Brand | Tamron | Sirui |
| See Lowest Price | See Lowest Price | |
| Vikt | 815 | - |