Comparison: Tamron 70-180mm F2.8 Di III VXD vs Sigma 40mm T1.5 FF - (Sony E)
| Tamron 70-180mm F2.8 Di III VXD | Sigma 40mm T1.5 FF - (Sony E) | |
 |  | |
| Brand | Tamron | Sigma |
| See Lowest Price | See Lowest Price | |
| Vikt | 815 | 1620 |
| Tamron 70-180mm F2.8 Di III VXD | Sigma 40mm T1.5 FF - (Sony E) | |
| | |
| Brand | Tamron | Sigma |
| See Lowest Price | See Lowest Price | |
| Vikt | 815 | 1620 |