B07TD9JR59 Power 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS R, EOS R5, EOS R6, EOS RP Digital Cameras

Make sure this fitsby entering your model number.
Includes T-mount adapter for R Series Digital cameras
High index, low-dispersion multi-coated optical glass to reduce flare
Minimum focusing distance of 33 feet – 2X Teleconverter doubles the power of your lens to 1000mm.
Filter thread: 67mm