FitMyLensthe lens-by-mount reference

Canon RF-S 18-150mm f/3.5-6.3 IS STM vs Canon RF 16-28mm f/2.8 IS STM

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

Last verified 2026-06-21 · Canon RF mount · prices change — check the retailer

SpecCanon RF-S 18-150mm f/3.5-6.3 IS STMCanon RF 16-28mm f/2.8 IS STM
Focal length18-150mm16-28mm
Max aperturef/3.5-6.3f/2.8
Typezoomzoom
CoverageAPS-Cfull-frame
MountCanon RFCanon RF

Which should you buy?

Where to buy

Check the Canon RF-S 18-150mm f/3.5-6.3 IS STM price on Amazon →

Check the Canon RF 16-28mm f/2.8 IS STM price on Amazon →

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which lenses we compare.

FAQ

What's the difference between the Canon RF-S 18-150mm f/3.5-6.3 IS STM and the Canon RF 16-28mm f/2.8 IS STM?
The Canon RF-S 18-150mm f/3.5-6.3 IS STM is 18-150mm f/3.5-6.3 zoom, APS-C; the Canon RF 16-28mm f/2.8 IS STM is 16-28mm f/2.8 zoom, full-frame. Both fit the Canon RF mount.

Which is better in low light, the Canon RF-S 18-150mm f/3.5-6.3 IS STM or the Canon RF 16-28mm f/2.8 IS STM?
The Canon RF 16-28mm f/2.8 IS STM — its f/2.8 maximum aperture lets in more light and gives more background blur than the f/3.5-6.3 of the other.

Do the Canon RF-S 18-150mm f/3.5-6.3 IS STM and Canon RF 16-28mm f/2.8 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 18-150mm f/3.5-6.3 IS STM is APS-C-only and won't fill a full-frame sensor.

More Canon RF comparisons: Canon RF 50mm f/1.2 L USM vs Canon RF 50mm f/1.4 L VCM · Canon RF 100-400mm f/5.6-8 IS USM vs Canon RF-S 55-210mm f/5-7.1 IS STM · Canon RF 50mm f/1.2 L USM vs Canon RF 85mm f/1.2 L USM · Canon RF 50mm f/1.2 L USM vs Canon RF 135mm f/1.8 L IS USM · all Canon RF lenses · all comparisons