This ND16 filter reduces light by 4 stops (allowing 1/16th of the light to pass though) while maintaining a true colour balance. The thin frame is designed to reduce vignetting.
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Marumi 62mm DHG ND64 Filter
Marumi 43mm DHG ND64 Filter
Marumi 49mm DHG ND32 Filter
Marumi 52mm DHG ND8 Filter
Urth 37mm Plus+ ND16 (4 Stop) Lens Filter
