Canon RF-S 18-45mm f/4.5-6.3 IS STM vs Canon RF 24-50mm f/4.5-6.3 IS STM

Both are Canon RF mount zooms for everyday and budget — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-09-01 · Canon RF mount · prices change — check the retailer

Spec	Canon RF-S 18-45mm f/4.5-6.3 IS STM	Canon RF 24-50mm f/4.5-6.3 IS STM
Focal length	18-45mm	24-50mm
Max aperture	f/4.5-6.3	f/4.5-6.3
Type	zoom	zoom
Coverage	APS-C	full-frame
Mount	Canon RF	Canon RF

Which should you buy?

the Canon RF-S 18-45mm f/4.5-6.3 IS STM covers 18-45mm and the Canon RF 24-50mm f/4.5-6.3 IS STM covers 24-50mm — pick the range that matches what you shoot
the Canon RF 24-50mm f/4.5-6.3 IS STM covers full-frame (also works on APS-C bodies); the Canon RF-S 18-45mm f/4.5-6.3 IS STM is APS-C-only — it won't fill a full-frame sensor

Where to buy

Canon EOS R50 Mirrorless Camera with RF-S18-45mm F4.5-6.3 is STM & RF-S55-210mm F5-7.1 is STM Lenses, 24.2 Megapixel CMO

Canon RF-S 18-45mm f/4.5-6.3 IS STMSee price on Amazon

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Canon RF24-50mm F4.5-6.3 is STM for Canon Full-Frame Mirrorless RF Mount Cameras

Canon RF 24-50mm f/4.5-6.3 IS STMSee price on Amazon

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FAQ

What's the difference between the Canon RF-S 18-45mm f/4.5-6.3 IS STM and the Canon RF 24-50mm f/4.5-6.3 IS STM?
The Canon RF-S 18-45mm f/4.5-6.3 IS STM is 18-45mm f/4.5-6.3 zoom, APS-C; the Canon RF 24-50mm f/4.5-6.3 IS STM is 24-50mm f/4.5-6.3 zoom, full-frame. Both fit the Canon RF mount.

Do the Canon RF-S 18-45mm f/4.5-6.3 IS STM and Canon RF 24-50mm f/4.5-6.3 IS STM fit the same camera?
Yes — both are Canon RF mount lenses, so they fit Canon EOS R series (full-frame R5/R6/R8) and APS-C (R7/R10/R50). Note the Canon RF-S 18-45mm f/4.5-6.3 IS STM is APS-C-only and won't fill a full-frame sensor.

Citing these specs? Go ahead — manufacturer data, last verified 2026-09-01. Copy a ready-made reference:

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Canon RF-S 18-45mm f/4.5-6.3 IS STMAffiliate linkSee price on Amazon