How a Fresnel Lens Works, Explained with a Simple Blackboard Model

How a Fresnel Lens Works, Explained with a Simple Blackboard Model
ФОТО: petapixel.com

If you’ve heard of Fresnel lenses in photography before but have no idea what they are or how they work, here’s a fantastic short primer. In this 3.5-minute video, physicist David G. Willey (AKA the Mad Scientist) explains the science behind the lens style using a simple and easy-to-understand model on a blackboard. Willey is […]

how fresnel lens works explained simple blackboard

2021-3-16 20:33