How Do Camera Lenses Work?

By Robert Patterson

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.

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