S1E3: Learn How to Predict your Light’s Output 

In the third episode of The Science, Cinematographer and Color Expert Tim Kang discusses Inverse Square Law, and how to correctly use it to estimate exposure levels on your set. Many gaffers and DPs have observed that the Inverse Square law does not work on large sources, but the discrepancy lies in a key element, touched on in this video.
Whether it’s a conventional or virtual production, knowing how to predict your light’s output will always be one of the best tools to have in your back pocket.
Chapters
00:00 ISL Intro
01:05 Understanding the Formula
01:48 ISL Discrepancy
02:09 Table Top Test
03:30 Discrepancy Explained
06:02 Importance of ISL
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Credits:
Steven Strong - Director
Tim Kang - Director of Photography/Himself
Tom Hand - Producer/Camera Operator
Jeff Maroun - Writer
Ben Dynice - Lighting Programmer
Ray Gonzales - Gaffer
Triston Strong - Editor
Jeremy Stramaglio - Art Department
Andrew Kowalski - Assistant Editor
Music:
artlist.io
#cinematographer #cinematography #filmmaker

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