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Canon EF 100-300mm f/4.5-5.6 USM Teardown

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Canon EF 100-300mm f/4.5-5.6 USM Teardown, Fixed Barrel: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Canon EF 100-300mm f/4.5-5.6 USM Teardown, Fixed Barrel: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
Fixed Barrel
  • Unscrew the six Phillips #000 screws holding in the fixed barrel.

  • Remove the fixed barrel, being careful of the ribbon cables.

  • Pull off the focus ring.

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