1.Avoid mist and fog: When shooting with Speedlite in backlight and sidelight, it can prevent light that cannot imaging and avoid fog and mist.
2.Avoid astigmatism enter into lens: When shooting in front light and side light, it can avoid surrounding light enter into lens.
3.Avoid disruption enter into lens: When shooting in light or at night, it can avoid surrounding disrupt light enter into lens.
4.Block wind, sand, snow and rain: It can prevent lens from demage and avoid finger touch the surface of lens. It can also prevent lens from wind, sand, rain and snow.
Mode: Kova-W 37mm
Color: Matte black
Material: Alloy metal material, external dull polish