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Budget lenses for Canon RF mount

10 budget options that fit Canon EOS R series (full-frame R5/R6/R8) and APS-C (R7/R10/R50) — the affordable entry points that still deliver. Every spec from the manufacturer's own product name and catalog.

Last verified 2026-09-01

Shooting a specific body? Per-camera fits: Canon EOS R · Canon EOS R1 · Canon EOS R10 · Canon EOS R100 · Canon EOS R3 · Canon EOS R5 · Canon EOS R5 Mark II · Canon EOS R50 · Canon EOS R6 · Canon EOS R6 Mark II · Canon EOS R7 · Canon EOS R8 · Canon EOS RP · Canon EOS R6 Mark III · Canon EOS R50 V · Canon EOS R6 V.

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FocalLensBuyMax apertureWeightTypeCoverageBest for
16mmCanon RF16mm F2.8 STMCanon RF 16mm f/2.8 STMAmazon →f/2.8165 gprimeFull-frameWide-angleVloggingBudget
18-45mmCanon RF-S 18-45mm f/4.5-6.3 IS STMAmazon →f/4.5-6.3130 gzoomAPS-CEverydayTravelBudget
24-50mmCanon EOS R8 Mirrorless Camera with RF 24-50mm f/4.5-6.3 is STM Lens, BlackCanon RF 24-50mm f/4.5-6.3 IS STMAmazon →f/4.5-6.3210 gzoomFull-frameStandard primeEverydayCompactBudget
28mmCanon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle, for Full-Frame CamerasCanon RF 28mm f/2.8 STMAmazon →f/2.8120 gprimeFull-frameStreetEverydayTravelBudget
50mmCanon RF50mm F1.8 STM Lens, Mirrorless Lens, Fixed Focal Length, Compatible with EOS R Series Mirrorless Cameras, CompacCanon RF 50mm f/1.8 STMAmazon →f/1.8160 gprimeFull-frameStandard primeBudgetLow-light
55-210mmCanon RF-S55-210mm F5-7.1 is STM Telephoto Zoom Lens for Canon APS-C Mirrorless RF Mount Cameras, Compact, Lightweight, Canon RF-S 55-210mm f/5-7.1 IS STMAmazon →f/5-7.1270 gzoomAPS-CTelephotoSports & actionTravelBudget
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 STMAmazon →f/2500 gprimeFull-framePortraitMacroBudget
100-400mmCanon RF 100-400mm f/5.6-8 is USM Telephoto LensCanon RF 100-400mm f/5.6-8 IS USMAmazon →f/5.6-8635 gzoomFull-frameSports & actionTelephotoTravelBudget
600mmCanon RF 600mm f/11 is STM LensCanon RF 600mm f/11 IS STMAmazon →f/11930 gprimeFull-frameTelephotoWildlifeSports & actionBudget
800mmCanon RF 800mm F11 is STM Lens - Super telephoto Lens Ideal for Wildlife and TravelCanon RF 800mm f/11 IS STMAmazon →f/111260 gprimeFull-frameTelephotoWildlifeSports & actionBudget

Weight & weather sealing: which of these can you carry all day?

On long approaches the decision is often made by weight, not aperture. Published weights for 10 of the 10 lenses above:

LensWeightWeather sealing
Canon RF 28mm f/2.8 STM120gNone claimed
Canon RF-S 18-45mm f/4.5-6.3 IS STM130gNone 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-S 55-210mm f/5-7.1 IS STM270gNone 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 — 7 from the manufacturer's own spec page, 3 from a published lens database or review quoting the maker's figure (per-lens source recorded in the dataset) · methodology

All Canon RF lenses: the full Canon RF index · other mounts: Sony E · Nikon Z · Fujifilm X · L-Mount · Micro Four Thirds.