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Best budget lenses for the Canon EOS R8

Canon EOS R8 · 2023 · 24.2 MP full-frame · 461 g · no IBIS — stabilisation is lens-only

8 budget lenses that fit the Canon EOS R8 (Canon RF mount) — the affordable entry points that still deliver. Sorted brightest-aperture first; every spec from the manufacturer's catalog.

Start with the Canon RF 50mm f/1.8 STM. At f/1.8 it is the brightest of the 8 budget Canon RF lenses that fit the Canon EOS R8 — the full comparison is below.

Last verified 2026-09-01 · Canon RF mount · Canon full-frame body

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Canon RF50mm F1.8 STM Lens, Mirrorless Lens, Fixed Focal Length, Compatible with EOS R Series Mirrorless Cameras, Compac

Check the Canon RF 50mm f/1.8 STM price on Amazon →

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FocalLensBuyMax apertureWeightFilterTypeCoverageBest for
50mmCanon RF50mm F1.8 STM Lens, Mirrorless Lens, Fixed Focal Length, Compatible with EOS R Series Mirrorless Cameras, CompacCanon RF 50mm f/1.8 STMCheck price →f/1.8160 g43mmprimeFull-frameStandard primeBudgetLow-light
85mmCanon RF 85mm F2 Macro is STM, Compact Medium-Telephoto Lens, Black, Compatible with EOS R Series Mirrorless CamerasCanon RF 85mm f/2 Macro IS STMCheck price →f/2500 g67mmprimeFull-framePortraitMacroBudget
16mmCanon RF16mm F2.8 STMCanon RF 16mm f/2.8 STMCheck price →f/2.8165 g43mmprimeFull-frameWide-angleVloggingBudget
28mmCanon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle, for Full-Frame CamerasCanon RF 28mm f/2.8 STMCheck price →f/2.8120 g55mmprimeFull-frameStreetEverydayTravelBudget
24-50mmCanon RF24-50mm F4.5-6.3 is STM for Canon Full-Frame Mirrorless RF Mount CamerasCanon RF 24-50mm f/4.5-6.3 IS STMCheck price →f/4.5-6.3210 g58mmzoomFull-frameStandard primeEverydayCompactBudget
100-400mmCanon RF 100-400mm f/5.6-8 is USM Telephoto LensCanon RF 100-400mm f/5.6-8 IS USMCheck price →f/5.6-8635 g67mmzoomFull-frameSports & actionTelephotoTravelBudget
600mmCanon RF 600mm f/11 is STM LensCanon RF 600mm f/11 IS STMCheck price →f/11930 g82mmprimeFull-frameTelephotoWildlifeSports & actionBudget
800mmCanon RF 800mm F11 is STM Lens - Super telephoto Lens Ideal for Wildlife and TravelCanon RF 800mm f/11 IS STMCheck price →f/111260 g95mmprimeFull-frameTelephotoWildlifeSports & actionBudget

One limit of this table: it lists only Canon RF lenses that mount natively on the Canon EOS R8 — lenses fitted through an adapter are not included here. See which mounts adapt to which.

Weight & weather sealing on the Canon EOS R8

On long approaches the decision is often made by weight, not aperture. Published weights for 8 of the 8 lenses above:

LensWeightWeather sealing
Canon RF 28mm f/2.8 STM120gNone claimed
Canon RF 50mm f/1.8 STM160gNone claimed
Canon RF 16mm f/2.8 STM165gNone claimed
Canon RF 24-50mm f/4.5-6.3 IS STM210gNone claimed
Canon RF 85mm f/2 Macro IS STM500gNone claimed
Canon RF 100-400mm f/5.6-8 IS USM635gNone claimed
Canon RF 600mm f/11 IS STM930gNone claimed
Canon RF 800mm f/11 IS STM1260gNone claimed

Packing light? The lightest here is the Canon RF 28mm f/2.8 STM at 120g.

Weights and sealing as published for each lens — 6 from the manufacturer's own spec page, 2 from a published lens database or review quoting the maker's figure (per-lens source recorded in the dataset) · methodology

Complete the kit for the Canon EOS R8

  • The Canon RF 50mm f/1.8 STM takes 43mm front filters. One 43mm set (polariser, ND) also fits every other 43mm lens you add later — see which ones. 43mm filters on Amazon →
  • The Canon EOS R8 takes an LP-E17 battery ((One) SD card slot • Compatible with UHS-II) — a spare battery and the right card class are body-specific, not lens-specific. LP-E17 battery on Amazon →

FAQ

What is the best budget lens for the Canon EOS R8?
Canon RF 50mm f/1.8 STM (50mm f/1.8) is the standout budget option that fits the Canon EOS R8. 8 budget Canon RF lenses fit in total — compare them below.

Do these budget lenses fit the Canon EOS R8?
Yes — every lens here is a Canon RF mount lens, so it fits the Canon EOS R8 and covers its full-frame sensor.

What is the lightest budget lens for the Canon EOS R8?
The Canon RF 28mm f/2.8 STM at 120g (manufacturer-published weight). Weights for 8 of the 8 lenses on this page are in the weight table above.

Already own the Canon EOS R8, shopping for a spare or an upgrade? Canon EOS R8 on Amazon →

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All lenses for the Canon EOS R8 · the same use across mounts: Budget lenses for Canon RF · all cameras

Canon RF 50mm f/1.8 STMAffiliate linkAmazon →