This video covers:-

  • About extenders
  • Extender versions
  • New series lenses
  • Lenses that are compatible with extenders
  • Does everything still work
  • Extenders and light loss
  • The light needed for focusing
  • Focusing performance with extenders
  • f8 focusing on the EOS 80D
  • About f8 focusing - 27 AF points
  • About f8 focusing - 1 AF point
  • What about lens quality with extenders

Video length: 8min 22sec