Japan adjustable light filter

Filter type: medium gray density lens
color: black
Mid-gray dimmer (gray-scale mirror) series (suitable for using large aperture or low-speed shutter during the day to create special effects)
(1) ND-2: It can reduce the first-level aperture and 50% of the light quantity;
(2) ND-4: It can reduce the 2-level aperture and 75% of the light quantity;
(3) ND-8: can reduce the 3-level aperture and 87.5% of the amount of light;
(4) ND-400: can reduce the amount of light at 9-level aperture, suitable for long-term exposure and shooting the sun during the day