Schneider Optics IRND 1.2 Filter 4x5.650 - 68-061256

The Schneider Infrared Neutral Density Filter (IRND) reduces the amount of light passing through the camera lens without changing the color of the scene, while also reducing the amount of infrared light entering the camera. Especially useful in bright light conditions to help prevent over exposure. Allows proper exposure at wider lens openings, for reduced depth-of-field, and to highlight a key subject by making foreground and/or background out of focus. Permits slower shutter speeds for blurred motion effects in still photography.

An ND 1.2(aka ND12) allows you to open the camera aperture four full stops OR, on motion picture cameras you can reduce the frame rate by cutting it in half four times:(24fps to 12 fps to 6fps to 3fps to 1.5fps). For still photography you can reduce the shutter speed by half four times: (1/250th to 1/125th to 1/64th to 1/30th to 1/15th). Like all Schneider professional filters, the IRND filters are manufactured from crystal clear, water white optical glass that is diamond cut, precision ground and polished to the most exacting tolerances.