Lens guide

Canon RF50mm F1.8 STM

50 mm · f/1.8 · Canon RF APS-C

We earn a commission from qualifying purchases made through the Amazon links on this page. It costs you nothing, and it never changes which lens the compatibility checker returns.

Check price on Amazon Canon product page

Not a Prime member? A free Prime trial started from an Amazon link on this page also supports the site.

Prices and stock are set by the retailer and change without notice. This site prints no price of its own.

Put this lens in your kit

On the R50 or R10, 50 mm gives a calculated 80 mm-equivalent view. It frames people more tightly than the 35 mm and 24 mm primes in the other systems. For a small-room group, consider the standard zoom.

Build my kit

Check lens fit and special conditions Filter thread & reuse Calculate carry weight

Cameras for this lens

Canon EOS R50

Native mount; feature detail unknown. The cited body and lens specifications establish the mount family, not a complete AF, correction, stabilization or firmware matrix.

Maker body / pair detail · Maker feature conditions · Exact lens specification · observed 2026-09-07 · What this status means

Camera + lens: approximately 535 g. Camera weight includes battery and card; lens accessories and other kit items are not added.

Build with Canon EOS R50

Canon EOS R10

Native mount; feature detail unknown. The cited body and lens specifications establish the mount family, not a complete AF, correction, stabilization or firmware matrix.

Maker body / pair detail · Exact lens specification · observed 2026-09-07 · What this status means

Camera + lens: approximately 589 g. Camera weight includes battery and card; lens accessories and other kit items are not added.

Build with Canon EOS R10

What to check before you pack

A filter matching the thread diameter attaches directly by size. A larger filter needs a correctly sized step-up ring. That connection does not establish optical clearance or whether the original hood still fits.

Native mounting does not establish every autofocus, correction, firmware or combined stabilization feature. What a native match tells you

Compatibility, weight & dimensions

Observed 2026-09-07. Specifications describe the named models; stock and bundle contents can change. How updates affect tool results

Lens specifications

Lens mount: Canon RF
Sensor coverage: full-frame
Focal length: 50 mm
35 mm-equivalent view: 80 mm Calculated: Canon APS-C 1.6x field-of-view conversion; display as calculated, not a manufacturer lens specification
Maximum aperture: f/1.8
Filter thread (mm): 43
Lens weight (g): 160
Dimensions (mm): diameter: 69.2; length: 40.5
Minimum focus distance (m): 0.3
Maximum magnification: 0.25
Lens hood: ES-65B sold separately

Published specifications, observed 2026-09-07. Manufacturer page ↗