A lens hood or lens shade is a device used on the front end of a lens to block the Sun or other light sources to prevent glare and lens flare. Lens hoods may also be used to protect the lens from scratches and the elements without having to put on a lens cover.
Variable neutral density ranged from ND2 to ND40016 layers of coating on both sides of the glassAdopts optical glasses from Japan, aluminium alloy fra..
