Comparison: Atlas Orion 21mm T2 2x vs Sirui Venus 100mm T2.9 1.6x - Sony E
| Atlas Orion 21mm T2 2x | Sirui Venus 100mm T2.9 1.6x - Sony E | |
 |  | |
| Brand | Atlas Lens Co. | Sirui |
| See Lowest Price | See Lowest Price |
| Atlas Orion 21mm T2 2x | Sirui Venus 100mm T2.9 1.6x - Sony E | |
| | |
| Brand | Atlas Lens Co. | Sirui |
| See Lowest Price | See Lowest Price |