Do *you* understand ISO?

Help stop the worst parts of factory farming: http://www.farmkind.giving/minute-physics?promo=minute_physics This video explains how ISO is very different to what most people imagine, and how you can use this knowledge to take less noisy photos! REFERENCES - Sensor Analysis Primer: https://www.photonstophotos.net/GeneralTopics/Sensors_&_Raw/Sensor_Analysis_Primer/Photographic_Dynamic_Range_Shadow_Improvement.htm - Image sensors explained: https://www.canon-europe.com/pro/infobank/image-senso