Compare lenses

Canon RF-S 14-30mm f/4-6.3 IS STM PZ vs Canon RF-S 18-45mm f/4.5-6.3 IS STM

The Canon RF-S 14-30mm f/4-6.3 IS STM PZ and the Canon RF-S 18-45mm f/4.5-6.3 IS STM side by side, computed from this guide's catalogue.

Which to pick

Pick the Canon RF-S 14-30mm f/4-6.3 IS STM PZ if you want a brighter f/4 (0.3 stops more light), for dim light and softer backgrounds and a wider view (from 21mm equivalent). Pick the Canon RF-S 18-45mm f/4.5-6.3 IS STM if you want more reach (to 68mm equivalent) and a lighter lens (130 g against 181 g).

Still torn? Ask the guide about the Canon RF-S 14-30mm f/4-6.3 IS STM PZ and the Canon RF-S 18-45mm 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.
Spec	Canon RF-S 14-30mm f/4-6.3 IS STM PZ	Canon RF-S 18-45mm f/4.5-6.3 IS STM
Maker	Canon	Canon
Focal length	14-30mm (zoom)	18-45mm (zoom)
Full-frame equivalent	21-45mm on APS-C	27-68mm on APS-C
Maximum aperture	f/4-6.3brighter	f/4.5-6.3
Made for	APS-C	APS-C
Mounts	Canon RF	Canon RF
Stabilised	yes	yes
Autofocus	yes	yes
Zoom range	2.1×	2.5×more range
Weight	181 g	130 glighter
Cameras it fits	18 in this guide	18 in this guide

Focal range, in full-frame terms

Canon RF-S 14-30mm f/4-6.3 IS STM PZ: 14-30mm on APS-C, like 21-45mm.

Canon RF-S 18-45mm f/4.5-6.3 IS STM: 18-45mm on APS-C, like 27-68mm.

Aperture

Canon RF-S 14-30mm f/4-6.3 IS STM PZ: f/4 wide open.

Canon RF-S 18-45mm 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

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.