I know the throw distance* and how large a cone of light I need. What beam angle should I look for?
Throw Distance: feet
Cone Diameter: feet
degrees

I know the throw distance and the beam angle of the instrument I'm using. How large a cone of light will I see?
Throw Distance: feet
Beam Angle: degrees
feet

I know the beam angle of the instrument I'm using and the size of the cone of light I'd like to reproduce. How far away should I place the instrument?
Beam Angle: degrees
Cone Diameter: feet


I don't know the throw distance*, but I know the trim height, the plan distance, and the focus height**.
Trim Height: feet inches
Plan Distance: feet inches
Focus Height: feet inches
feet
*Throw distance refers to the straight line distance from the lighting position to the focus point in section view, not plan.
**Focus height refers to the height of the object to be lit. For example, to light a person's face, use a focus height of approximately 5'-6".
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