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Semi Cut-Off
NightSky® Optical Systems

Examples of Luminaires with Semi Cut-Off Optical Systems

semi cut-off light distribution diagram

A light distribution where the candela value does not exceed 5% of the maximum intensity at or above 90 degrees vertical from nadir and 20% at or above a vertical angle of 80 degrees. This applies to all symmetrical angles around the luminaire.

LRC16 photo LRC16
6130C photo 6130C
1910/5LBS photo 1910/5LBS

Examples of Luminaires Non Cut-Off

non cut-off light distribution diagram

A light distribution where the luminaire has no directional limitation.

A850A/RE photo A850A/RE
G18/5P photo G18/5P
9623/TF/RE5 photo 9623/TF/RE5

See examples of Nightsky Friendly products Sternberg carries.

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