Comparison: Sony FE 400 mm f2,8 GM OSS vs Sony FE 600 mm f4 GM OSS
| Sony FE 400 mm f2,8 GM OSS | Sony FE 600 mm f4 GM OSS | |
 |  | |
| Brand | Sony | Sony |
| See Lowest Price | See Lowest Price | |
| Vikt | 2895 | 3040 |
| Sony FE 400 mm f2,8 GM OSS | Sony FE 600 mm f4 GM OSS | |
| | |
| Brand | Sony | Sony |
| See Lowest Price | See Lowest Price | |
| Vikt | 2895 | 3040 |