Compare lenses

Canon RF 15-30mm f/4.5-6.3 IS STM vs Canon RF-S 10-18mm f/4.5-6.3 IS STM

The Canon RF 15-30mm f/4.5-6.3 IS STM and the Canon RF-S 10-18mm f/4.5-6.3 IS STM side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon RF 15-30mm f/4.5-6.3 IS STM if you want coverage of full frame, so it suits the larger-sensor bodies too. Pick the Canon RF-S 10-18mm f/4.5-6.3 IS STM if you want a design for APS-C, which usually means smaller and lighter and a lighter lens (150 g against 390 g).

Still torn? Ask the guide about the Canon RF 15-30mm f/4.5-6.3 IS STM and the Canon RF-S 10-18mm f/4.5-6.3 IS STM

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecCanon RF 15-30mm f/4.5-6.3 IS STMCanon RF-S 10-18mm f/4.5-6.3 IS STM
MakerCanonCanon
Focal length15-30mm (zoom)10-18mm (zoom)
Full-frame equivalent15-30mm15-27mm on APS-C
Maximum aperturef/4.5-6.3f/4.5-6.3
Made forFull frameAPS-C
MountsCanon RFCanon RF
Stabilisedyesyes
Autofocusyesyes
Zoom range2.0×1.8×
Weight390 g150 glighter
Cameras it fits18 in this guide18 in this guide

Focal range, in full-frame terms

142435508513520040080015-30mm equiv.RF 15-30mm f/4.5-6.3
Canon RF 15-30mm f/4.5-6.3 IS STM: 15-30mm.
142435508513520040080015-27mm equiv.RF-S 10-18mm f/4.5-6.3
Canon RF-S 10-18mm f/4.5-6.3 IS STM: 10-18mm on APS-C, like 15-27mm.

Aperture

f/4.5
Canon RF 15-30mm f/4.5-6.3 IS STM: f/4.5 wide open.
f/4.5
Canon RF-S 10-18mm f/4.5-6.3 IS STM: f/4.5 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

RF 15-30mm f/4.5-6.3 at 15mm · 100°RF-S 10-18mm f/4.5-6.3 at 10mm · 100°RF-S 10-18mm f/4.5-6.3 at 18mm · 67°RF 15-30mm f/4.5-6.3 at 30mm · 62°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

18 cameras in this guide take both, so either works on the same body.

Canon RF 15-30mm f/4.5-6.3 IS STM

and 8 more

Canon RF-S 10-18mm f/4.5-6.3 IS STM

and 8 more

On their own pages