FitMyLensthe lens-by-mount reference

Best telephoto lenses for the Canon EOS R5 Mark II

5 telephoto lenses that fit the Canon EOS R5 Mark II (Canon RF mount) — reach for sports, wildlife and compressed portraits. Sorted brightest-aperture first; every spec from the manufacturer's catalog.

Last verified 2026-06-21 · Canon RF mount · Canon full-frame body

FocalLensMax apertureTypeCoverageBest forBuy
135mmCanon RF 135mm f/1.8 L IS USMf/1.8primeFull-framePortraitTelephotoLow-lightWedding & eventAmazon →
70-200mmCanon RF 70-200mm f/2.8 L IS USMf/2.8zoomFull-frameTelephotoSports & actionPortraitWedding & eventAmazon →
70-200mmCanon RF 70-200mm f/4 L IS USMf/4zoomFull-frameTelephotoSports & actionTravelAmazon →
100-500mmCanon RF 100-500mm f/4.5-7.1 L IS USMf/4.5-7.1zoomFull-frameTelephotoSports & actionAmazon →
100-400mmCanon RF 100-400mm f/5.6-8 IS USMf/5.6-8zoomFull-frameSports & actionTelephotoTravelBudgetAmazon →

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FAQ

What is the best telephoto lens for the Canon EOS R5 Mark II?
Canon RF 135mm f/1.8 L IS USM (135mm f/1.8) is the standout telephoto option that fits the Canon EOS R5 Mark II. 5 telephoto Canon RF lenses fit in total — compare them below.

Do these telephoto lenses fit the Canon EOS R5 Mark II?
Yes — every lens here is a Canon RF mount lens, so it fits the Canon EOS R5 Mark II and covers its full-frame sensor.

All lenses for the Canon EOS R5 Mark II · the same use across mounts: Telephoto lenses for Canon RF · all cameras