Nossair CHKERBOUBY Posted June 13, 2014 Share Posted June 13, 2014 hi guys, can someone give a link or the name of a book where i can learn about the inverse square law specifically for cinema. i want to learn the hole think note a simplified equasion. thank you Link to comment Share on other sites More sharing options...
John E Clark Posted June 13, 2014 Share Posted June 13, 2014 hi guys, can someone give a link or the name of a book where i can learn about the inverse square law specifically for cinema. i want to learn the hole think note a simplified equasion. thank you Here is a URL that has a general description of The Law. http://www.portraitlighting.net/inversesquare_law.htm Here's a 'webtool' for ARRI lights in determining what amount of light is at what distance, for ARRI lights. http://calc.arri.de/calculator Since ARRI lights are popular cinematography lights, you can use the calculator to figure things out from imagined scene scenarios. The problem with 'cheap' lights, is that often the manufacturer or seller has no 'data' like the ARRI lights to allow you to calculate what the light intensity is in a given setup. Link to comment Share on other sites More sharing options...
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