Lux vs Lumens vs Nits - A Photographer's Guide to Light Units скачать в хорошем качестве

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. 🔧 Lux to Lumens Calculator: https://goo.gl/97fYi5 📊 Undone LUTs: https://geraldundone.com/luts 🔌 Undone Cables: https://geni.us/uWgy 🛒 Gear I Use to Make Videos: https://geni.us/c46Jrmu 🟣 Gerald Undone Merch: https://geraldundone.com ============================= Table of Contents: ============================= 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... ============================= Music: ============================= I use Artlist for my background music needs. Use this link to get two extra months when signing up: http://bit.ly/2TV5sYT ============================= Follow Me: ============================= Twitter:   / geraldundone   Instagram:   / geraldundone   Discord:   / discord   ============================= Affiliate Links: ============================= Some of the links in my video descriptions are affiliate links, which means at no extra cost to you, I will make a small commission if you click them and make a qualifying purchase. If you have a different purchase in mind, you can also use these storewide links below. 🛒 Amazon: http://geni.us/1m1G32 🛒 B&H Photo: https://bhpho.to/2MYRKBE ============================= #light #science #photography