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
If this has helped you, consider buying me a beer and CLICK HERE to donate a few bucks to On Stage Lighting (why should I donate?). Thanks, - Rob
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On Stage Lighting has a ton of stuff like this. You may also like:
- Which Stage Spotlights Should I Use For My Show?
- PAR 64 Bulbs – A Guide to PAR 64 Lamp Sizes
- Gobos – A Guide To Choosing And Using A Gobo
- Focus Stage Lighting – Turn Your Back On It!
- LED Stage Lighting – Why Buy RGB LED Stage Lights?
- Stage Lighting Hire – What You Need To Know
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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