1. Filter material: optical glass
2. Coating process: Nano multilayer coating
3. Add hard waterproof coating, waterproof and drain oil, toughened and scratch-resistant.
4. CNC molding of lightweight aviation aluminum material, ergonomic design, good hand feeling, non-slip, easy to install.
5. Net weight: 6g
6. ND/PL Package (Professional Edition) (ND8/PL ND16/PL ND32/PLND64/PL)