Asymmetrical Lighting is wrong for sports. Players quickly lose sight of the ball in the dark, because sports is played in a 3D environment. To combat this, some companies aim a light straight up into the sky as their ground-breaking “technology”. Not only is this an inefficient method, but it also cannot be dark-sky friendly.
Unless the goal is to only light a 2D surface like roads, symmetrical lighting provides a far better area light. This provides the horizontal foot candles needed, and the vertical foot candles for athletes to see the ball in the air.
Today’s facility managers have a number of requirements placed upon them:
1. They must provide great lighting for the athletes
2. Make it comfortable for the fans
3. Make their fields as dark-sky friendly as possible
Only symmetrical lighting can accomplish all three.
WHAT IS IT?
Asymmetrical lighting creates a beam of light where the horizontal axes can differ greatly from its vertical axes.
WHY IT’S GOOD
LEDs with TIR lenses have allowed for very precise lighting focus on surfaces, thereby making it a great choice
for road or pathway lighting. In these applications, horizontal foot candle levels are much more important than
vertical foot candles.
WHY IT’S WRONG FOR SPORTS
Sports are not just played on a surface. In a 3D environment, an asymmetrical lighting fixture is not an appropriate
option. Players quickly lose site of the ball in the dark. The only way to overcome the lack of vertical foot candles is
to aim lights straight up.
WHAT IS IT?
Symmetrical lighting creates a beam of light where the horizontal and vertical axes are equal.
WHY IT’S GOOD
Unless the goal is to only light a 2D surface, symmetrical lighting provides a far better area light. Not only will it
provide the horizontal foot candles needed, it will also provide the vertical foot candles.
WHY IT’S THE ONLY CHOICE FOR SPORTS
Today’s facility managers have a number of requirements placed upon them. They must provide great lighting for
the athletes, make it comfortable for the fans and make their fields as dark sky friendly as possible.
Only symmetrical lighting can accomplish all three.
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