ISO in photography is said to make your camera sensor more sensitive to light. What it actually is and how easy it is to understand ISO if you stick to the facts, will be explained in this photography lesson. Join other students learning photography faster and more memorably by enrolling to my Wolf Method Photography Course: 0:00 ISO Myths 0:25 A short abstract of the image taking process 0:58 Origins of the weird term ISO 1:38 What really happens when you raise ISO 3:25 Motivate me to create more photography courses 4:00 How to best memorize the ISO numbers 4:29 Does a higher ISO make your sensor more sensitive to light? 4:49 ISO is not a part of exposure 6:00 Noise removal software 6:35 Memory aids