Focal Length Courses

Camera Control
Michigan State University via Coursera

DSLR Photography II: Understanding Lenses, Focal Length & Shooting
Skillshare

Nikon Lenses: The Complete Guide
CreativeLive

Canon Lenses: The Complete Guide
CreativeLive

Choosing the Right Camera Lens
CreativeLive

Olympus Lenses: The Complete Guide
CreativeLive

Introduction to Filmmaking for Beginners
YouTube

Light Reflection & Refraction Physics CBSE Class 10
YouTube

Photography Foundations: Mobile Photography
LinkedIn Learning

Photography Foundations: Lenses
LinkedIn Learning