Canon RF Teleconverters

Canon makes two teleconverters for the RF mount:

bythom canon 14tc
  • 1.4x — 7 elements in 4 groups. Weight 7.9 ounces (225g). Works with 100-500mm f/4.5-7.1, 600mm f/11, 800mm f/11
bythom canon 2tc
  • 2x — 9 elements in 5 groups. Weight 12.4 ounces (350g). Works with 100-500mm f/4.5-7.1, 600mm f/11, 800mm f/11

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