R-CROSS SCREEN (4 POINT) FILTER
The glass in this filter has etched parallel and perpendicular lines
that create four rays of light emanating from every light source point
in the picture. The glass is mounted in a rotating frame so that the orientation
of the rays can be adjusted.
R-CROSS SCREEN (4 POINT) FILTER
The glass in this filter has etched parallel and perpendicular lines
that create four rays of light emanating from every light source point
in the picture. The glass is mounted in a rotating frame so that the orientation
of the rays can be adjusted.