Shielding angle
For downlights, the angle between the horizontal and a straight line running from the edge of the luminaire to the edge of the light source. In addition to the cut-off angle, a measure of the visual comfort of a luminaire.
For downlights, the angle between the horizontal and a straight line running from the edge of the luminaire to the edge of the light source. In addition to the cut-off angle, a measure of the visual comfort of a luminaire.
