In this course you will gain the understanding needed to make the best technical decision for each shooting application as well as the the knowledge for its best use. We cover optical quality, focal length, field of view, prime and zoom lenses, maximum and minimum aperture, build quality, the physical controls of a lens, image stabilization, autofocus, cinema and still lenses, specialty lenses, how to make the right lens choice and lastly how to maintain your lens.


  1. Course Overview (Free for Non-Members)

Optical Quality

  1. Optical Quality
  2. Lens Aberrations
  3. Bokeh (Free for Non-Members)

Focal Length

  1. Focal Length and Field of View
  2. Focal length Perception
  3. Zoom or Prime Lens (Free for Non-Members)

Lens Features 

  1. Build Quality
  2. Control Rings
  3. Image Stabilization
  4. Autofocus
  5. Aperture

Cinema and Still lenses

  1. Cinema and Still lenses (Free for Non-Members)

Specialty Lenses, Adapters and Modifiers

  1. Specialty Lenses (Free for Non-Members)
  2. Extensions, Extenders and Adapters

Lens Choice

  1. How to Choose a Lens

Maintaining Your Investment

  1. Lens Maintenance