John P. Hess of Filmmaker IQ gives a comprehensive primer on the properties of different types of camera lenses and how they work. The video quickly explains basics like the key differences between prime and zoom lenses, focal length, and f-stops with easy to understand visuals as well as historical and scientific background.
With a grounding in science and history, we now dive into the properties of camera lenses and explain the features of the modern camera lens for photography and cinematography from, Focal Length, Aperture, Primes vs. Zooms as well as some specialty features.