Comparison: Atlas Orion 21mm T2 2x vs Sigma 500mm f/5,6 DG DN OS Sports - Sony E
| Atlas Orion 21mm T2 2x | Sigma 500mm f/5,6 DG DN OS Sports - Sony E | |
 |  | |
| Brand | Atlas Lens Co. | Sigma |
| See Lowest Price | See Lowest Price | |
| Vikt | - | 1365 |
| Atlas Orion 21mm T2 2x | Sigma 500mm f/5,6 DG DN OS Sports - Sony E | |
| | |
| Brand | Atlas Lens Co. | Sigma |
| See Lowest Price | See Lowest Price | |
| Vikt | - | 1365 |