Using Camera Meters to Calculate Exposure Settings

Your camera meter is designed to measure light to determine 18% gray (medium gray). There are different metering modes that measure different parts of your picture. To learn about them in more detail, check out the following links:

Videos

https://www.youtube.com/watch?v=Axt9zLxdE8s

https://www.youtube.com/watch?v=-SjTTQ0UTyI

Web Pages

https://photographylife.com/understanding-metering-modes