Best standard prime lenses for the Canon EOS R50 V

6 standard prime lenses that fit the Canon EOS R50 V (Canon RF mount) — the natural field of view — first prime territory. Sorted brightest-aperture first; every spec from the manufacturer's catalog.

Start with the Canon RF 50mm f/1.2 L USM. At f/1.2 it is the brightest of the 6 standard prime Canon RF lenses that fit the Canon EOS R50 V — the full comparison is below.

Last verified 2026-06-21 · Canon RF mount · Canon APS-C body

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Focal	Lens	Buy	Max aperture	Type	Coverage	Best for
50mm	Canon RF 50mm f/1.2 L USM	Amazon →	f/1.2	prime	Full-frame	Portrait Low-light Wedding & event Standard prime
30mm	Sigma 30mm f/1.4 DC DN Contemporary	Amazon →	f/1.4	prime	APS-C	Standard prime Everyday Low-light
50mm	Canon RF 50mm f/1.4 L VCM	Amazon →	f/1.4	prime	Full-frame	Portrait Low-light Standard prime Wedding & event
17-40mm	Sigma 17-40mm f/1.8 DC Art	Amazon →	f/1.8	zoom	APS-C	Everyday Standard prime Low-light Pro standard zoom
50mm	Canon RF 50mm f/1.8 STM	Amazon →	f/1.8	prime	Full-frame	Standard prime Budget Low-light
24-50mm	Canon RF 24-50mm f/4.5-6.3 IS STM	Amazon →	f/4.5-6.3	zoom	Full-frame	Standard prime EverydayCompactBudget

Weight & weather sealing on the Canon EOS R50 V

On long approaches the decision is often made by weight, not aperture. Manufacturer-published weights for 6 of the 6 lenses above:

Lens	Weight	Weather sealing
Canon RF 50mm f/1.8 STM	160g	None claimed
Canon RF 24-50mm f/4.5-6.3 IS STM	210g	None claimed
Sigma 30mm f/1.4 DC DN Contemporary	285g	Mount gasket only (Sigma publishes 285g for the RF mount (265g E / 275g X) — RF figure used)
Sigma 17-40mm f/1.8 DC Art	560g	Weather-sealed
Canon RF 50mm f/1.4 L VCM	580g	Weather-sealed
Canon RF 50mm f/1.2 L USM	950g	Weather-sealed

Packing light? The lightest here is the Canon RF 50mm f/1.8 STM at 160g. The lightest weather-sealed option is the Sigma 17-40mm f/1.8 DC Art at 560g.

Weights and sealing from each manufacturer's published spec sheet (per-lens sources recorded in the dataset) · methodology

FAQ

What is the best standard prime lens for the Canon EOS R50 V?
Canon RF 50mm f/1.2 L USM (50mm f/1.2) is the standout standard prime option that fits the Canon EOS R50 V. 6 standard prime Canon RF lenses fit in total — compare them below.

Do these standard prime lenses fit the Canon EOS R50 V?
Yes — every lens here is a Canon RF mount lens, so it fits the Canon EOS R50 V and covers its APS-C sensor.

What is the lightest standard prime lens for the Canon EOS R50 V?
The Canon RF 50mm f/1.8 STM at 160g (manufacturer-published weight). The lightest weather-sealed option is the Sigma 17-40mm f/1.8 DC Art at 560g. Weights for 6 of the 6 lenses on this page are in the weight table above.

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All lenses for the Canon EOS R50 V · the same use across mounts: Standard prime lenses for Canon RF · all cameras