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What Field Angle (degree) do I need to make my Beam Width "X" feet, at "Y" feet Distance?

Field Angle° = Beam Width "X" / (Distance "Y" * 0.018)
What is the Beam Width at a "Y" foot distance with a "Z°" field Angle?

Beam Width = Distance "Y" * Field Angle "Z°" * 0.018

Beam Width (X):
Distance (Y):
Required Field Angle (Zº):	º
Enter two values; the third will be calculated.

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