Schneider 6x6 ND 9 S.G. (used)

This used Schneider Neutral Density (ND) 0.9 6×6 (ND 9 S.G.) filter is a neutral density filter that cuts about 3 stops of light, letting you use slower shutter speeds or wider apertures in bright lighting. It helps control exposure without changing the color of your image, making it useful for outdoor shooting and creative effects.