Beam Angle Calculator
11 December - Stage Lighting Tools - by: Rob Sayer
On Stage Lighting presents a simple Beam Angle Calculator to help you find the correct spotlight for your show.
If you need to project a gobo image to a certain size or the pool of a spotlight to be a specific width , you need to find out the beam angle . The calculation to find Beam Angle using the Throw Distance/Beam Diameter is simple trigonometry that we have compiled into the Beam Angle Calculator using Javascript.
Update:// There are now quite a few stage lighting calculators for your iPhone. Look at out Stage Lighting iPhone Apps page
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On Stage Lighting has a ton of stuff like this. You may also like:
- DMX Dip Switch Calculator – Work It Out For Yourself!
- iPhone Apps – Original Post
- Light Reflection and the Angle Of Incidence
- Stage Lighting Apps for the iPhone – Updated
- Which Stage Spotlights Should I Use For My Show?
Rob is a freelance LD and Programmer working the the UK events industry. He is also the Editor of On Stage Lighting
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