Comparison: Panavision Primo SL21 vs Sirui 135mm T2.9 1.8x - (Sony E Mount)
| Panavision Primo SL21 | Sirui 135mm T2.9 1.8x - (Sony E Mount) | |
 | | |
| Brand | Panavision | Sirui |
| See Lowest Price | See Lowest Price |
| Panavision Primo SL21 | Sirui 135mm T2.9 1.8x - (Sony E Mount) | |
| | |
| Brand | Panavision | Sirui |
| See Lowest Price | See Lowest Price |