Every lens should have a hood that protects the lens from unwanted lens flare, dust, and glare. This glare and flare affect your ability to see properly through your lens. Using a lens hood can greatly influence the output of your image quality. The video in this article talks about all you need to know about using a lens hood and how to use it for your best image output.
First, why should you use a lens hood? A lens hood is a carved shape that is place in front of the lens, it blocks and defend the stray of light that can cause flare in your photos. It helps protect the lens from damage especially when you accidentally hit a hard surface.
This tutorial video from https://www.youtube.com/watch?v=B_m0MfAjNsk will show you why, when, and how to use a lens hood.
