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Canon RF 100-400mm F5.6-8 IS USM vs Canon RF 100-500mm F4.5-7.1L IS USM

Every published spec side by side, with today's lowest prices for the market you've chosen.

Key differences

  • Maximum aperture: f/4.5–7.1 on the RF 100-500mm F4.5-7.1L IS USM, against f/5.6–8 on the RF 100-400mm F5.6-8 IS USM.
  • Closest focus: 0.90 m on the RF 100-500mm F4.5-7.1L IS USM, against 1.20 m on the RF 100-400mm F5.6-8 IS USM.
  • Max magnification: 0.41× on the RF 100-400mm F5.6-8 IS USM, against 0.33× on the RF 100-500mm F4.5-7.1L IS USM.
  • Weather sealed: Yes on the RF 100-500mm F4.5-7.1L IS USM, against No on the RF 100-400mm F5.6-8 IS USM.
  • Weight: 635 g on the RF 100-400mm F5.6-8 IS USM, against 1,370 g on the RF 100-500mm F4.5-7.1L IS USM.
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 100-500mm F4.5-7.1L IS USM
Canon RF 100-500mm F4.5-7.1L IS USM
Lowest price today

$749.99 new

$2,899 new

Optics
Focal length100–400mm100–500mm
35mm equivalent100–400mm (full frame)100–500mm (full frame)
Maximum apertureLower f-number lets in more light. A zoom wins only when it is as bright at both ends.f/5.6–8f/4.5–7.1 (best)
Minimum aperturef/32f/32
Made forFull frameFull frame
Elements / groups12 / 920 / 14
Aperture blades99
Closest focus1.20 m0.90 m (best)
Max magnification0.41× (best)0.33×
Focus & handling
AutofocusYes (Nano USM)Yes (Dual Nano USM)
Optical stabilisationYesYes
Weather sealedNoYes (best)
Internal zoom—No
Aperture ringNoNo
Teleconverter compatibleYesYes
Size & weight
Weight635 g (best)1,370 g
Diameter × length79.5 × 164.7 mm93.8 × 207.6 mm
Filter thread67 mm77 mm

Green marks the better figure where “better” is unambiguous. A dash means the maker doesn't publish it or we haven't verified it yet.

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