Comparison: Lensbaby Spark vs Sony FE 600 mm f4 GM OSS
| Lensbaby Spark | Sony FE 600 mm f4 GM OSS | |
 |  | |
| Brand | Lensbaby | Sony |
| See Lowest Price | See Lowest Price | |
| Vikt | - | 3040 |
| Lensbaby Spark | Sony FE 600 mm f4 GM OSS | |
| | |
| Brand | Lensbaby | Sony |
| See Lowest Price | See Lowest Price | |
| Vikt | - | 3040 |