K&F CONCEPT 62mm Ultrathin Variable ND Filter

Info:
Features:
Made of CNC Aluminum alloy frame, professional optical glasses.
Double-side multilayer blue film coating, high transmittance and low reflectivity.
9 stops adjustable neutral density(ND2 to ND400) can reduce exposure brightness flexibly.
Can be used to achieve super slow shutter speeds in daylight to render moving subjects invisible.
Suitable for different shooting conditions, such as water falls, clouds or any fast moving subject.