Lux vs Lumens vs Nits - A Photographer's Guide to Light Units

Explaining the uses and differences between lux, lumens, & nits from a photographer/videographer's perspective to help with buying lights & led panels.
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Lux to Lumens Calculator: https://goo.gl/97fYi5

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Table of Contents:
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0:00 - Intro & Disclaimers
0:39 - The Units of Light
0:52 - What Are Watts? Radiant Flux vs Power Consumption
1:43 - Light bulbs Are Measured in Lumens & Luminous Flux
1:56 - What is Flux?
2:11 - Candela vs Lumens & Converting Light bulbs
3:11 - LED Panels Use Lux
3:23 - The Difference between Lumens & Lux
4:04 - The Importance of Beam Angles on Illuminance
4:38 - Convert Lumens of a Light Bulb into Lux
5:23 - What Are Foot-Candles? & Conversion to Lux
5:47 - Watts on a LED Panel
6:08 - Luminance or the Brightness of a Surface (Nits)
6:43 - What Is a Nit?
7:07 - Illuminance vs Luminance / Lux vs Nits
7:42 - Practical Examples: The Sun & Sky
8:03 - How Many Nits Is the Sun?
8:12 - Guide Number? To Be Continued...

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#light #science #photography