This tutorial is a survey of all of the basic information you need to know about lenses. You will learn how lenses work, and how the lens of a DSLR Camera is structured. This simple information has important implications for how you take photographs.
Focal length
Aperture
F-stops
Different kinds of lenses and their effects
Take a look at some technical examples of lenses, as well as varying photo effects that can be impacted by lens behavior below.
