Comparison: Lensbaby Spark vs Sigma 14mm F1.8 DG HSM Art (Canon EF)
| Lensbaby Spark | Sigma 14mm F1.8 DG HSM Art (Canon EF) | |
 |  | |
| Brand | Lensbaby | Sigma |
| See Lowest Price | See Lowest Price |
| Lensbaby Spark | Sigma 14mm F1.8 DG HSM Art (Canon EF) | |
| | |
| Brand | Lensbaby | Sigma |
| See Lowest Price | See Lowest Price |