Comparison: Sirui 135mm T2.9 1.8x - (Sony E Mount) vs Sony FE 100-400mm f/4.5-5.6 GM OSS
| Sirui 135mm T2.9 1.8x - (Sony E Mount) | Sony FE 100-400mm f/4.5-5.6 GM OSS | |
 |  | |
| Brand | Sirui | Sony |
| See Lowest Price | See Lowest Price | |
| Vikt | - | 1395 |
| Sirui 135mm T2.9 1.8x - (Sony E Mount) | Sony FE 100-400mm f/4.5-5.6 GM OSS | |
| | |
| Brand | Sirui | Sony |
| See Lowest Price | See Lowest Price | |
| Vikt | - | 1395 |