Spectrum Filter S1 with filter thread

The Spectrum Filter S1 for shallow water converts ambient light to white light within a depth range from about 2 to 7 meters.

This filter is available for camera lens diameters: 67mm, 72mm, 77mm and 82mm.

The above CIE color coordinates digram shows how the color coordinates of the ambient light are shifted to the region of white light. A perfect match with daylight is at about 5m depth. A this depth, the color coordinates of the filtered light corresponds to a color temperature of about 5600 Kelvin.

Odering codes:

Camera Lens Diameter Item Number            
67mm thread No. 879
72mm thread No. 880
77mm thread No. 881
82mm thread No. 882