Canon RF lens

Canon RF50mm F1.2 L USM

50 mm, f/1.2, made for full frame. It mounts natively on 5 of our APS-C cameras; on the EOS R50 it frames like 80 mm.

50 mm · 80 mm equiv. on EOS R50
f/1.2
77 mm filter
950 g
Weather-sealed

108 mm long89.9 mm77 mm filter thread

Drawn from Canon's published size: 89.9 × 108 mm. Details simplified.

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On your camera

The view, the weight with the camera (battery and card included) and what the maker says about each pair. It is made for full-frame sensors and covers APS-C with room to spare.

Every camera in our catalogue this lens mounts on: 5
Camera	View (35 mm equiv.)	With the camera	Fit and maker's notes
Canon EOS R100	80 mm	1,306 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R50	80 mm	1,325 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R50 V	80 mm	1,320 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R10	80 mm	1,379 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R7	80 mm	1,562 g	Fits and works

What it frames

80 mm80 mm80 mm

Highlighted: this lens on the EOS R50. A zoom's dashed frame is its longest view.

At its closest (40 cm from the sensor) it fills the frame of the EOS R50 with a subject about 12 cm wide.

On the EOS R50, to scale

Side view drawn from the published depth of the camera and length of the lens. 1,325 g together.

Every lens with a 77 mm thread

Other portrait primes for Canon RF

The nearest in focal length, with the numbers that differ.

Canon RF50mm F1.8 STM80 mm equiv. · f/1.8 · 160 g (−790 g) · 43 mmCompare
Canon RF50mm F1.4 L VCM80 mm equiv. · f/1.4 · 590 g (−360 g) · 67 mmCompare
Canon RF45mm F1.2 STM72 mm equiv. · f/1.2 · 346 g (−604 g) · 67 mmCompare
Sigma 56mm F1.4 DC DN Contemporary90 mm equiv. · f/1.4 · 290 g (−660 g) · 55 mmCompare
Canon RF85mm F1.2 L USM136 mm equiv. · f/1.2 · 1,195 g (+245 g) · 82 mmCompare
Canon RF85mm F1.4 L VCM136 mm equiv. · f/1.4 · 636 g (−314 g) · 67 mmCompare

Questions about this lens

Which cameras does the Canon RF50mm F1.2 L USM fit?

5 APS-C cameras in our catalogue: EOS R100, EOS R50, EOS R50 V, EOS R10, EOS R7. It is made for full frame, so it also fits the full-frame cameras on its mount.

What does it frame like on APS-C?

50 mm frames like 80 mm on the EOS R50 (1.6x).

What filter size does it take?

77 mm screw-in filters. Every lens with a 77 mm thread.

Where these facts come from

Facts checked 9 Oct 2026 against the makers' specification pages. How we check

Size, weight, filter thread, close focus and magnification are Canon's published figures. We have not tested this lens; for image quality, read reviews from people who have.

Specifications

Mount: Canon RF
Made for: Full-frame sensors (covers APS-C too)
Focal length: 50 mm
Maximum aperture: f/1.2
Lens stabilisation: No
Weather sealing: Yes, per the maker
Filter thread: 77 mm
Weight: 950 g
Size (diameter × length): 89.9 × 108 mm
Closest focus: 40 cm
Maximum magnification: 0.19x
Autofocus: Yes
Announced: 2018