Manufacturer page: https://th.hkyongnuo.com/products/yn11mm-f18s-da-dsm-wl?VariantsId=10292
| Specifications | |
|---|---|
| Optical construction | 10 elements in 9 groups (1x aspherical, 1x HR, 3x UD) |
| Number of aperture blades | 7 (circular) |
| min. focus distance | 0.15m (max magnification: 1:6.6) |
| Dimensions | φ66×69mm |
| Weight | 260g |
| Filter size | Φ43mm |
| Hood | petal-shaped (bayonet mount, provided) |
| Other features | dust-proof, USB-port |
Manufacturer video:

