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Canon RF 50mm f/1.2 L USM : Specifications and Opinions

The Canon RF 50mm f/1.2 L USM is a standard lens for FF and APS-C, manufactured from 2018. The focus is done by Ultrasonic AF Motor (Ring-USM), it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 2469 €;

53 users have given it an average vote of 9.9 out of 10.

MOUNT

This lens is available with the following mounts:

Canon RF: this lens is compatible with mirrorless fullframe and APS-C Canon RF.

Specifications
Focal lenght	50 mm
Angle of view	46.8°
Format	FF, APS-C
Max. aperture	f/1.2
Aperture blades	10
Lenses/Groups	15 elements in 9 groups
Min. focus distance	0.39 meters
Reproduction ratio	0.18x
Features
Stabilization	No
Focus	Ultrasonic AF Motor (Ring-USM)
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	77 mm
Lens hood	Yes, supplied
Weather sealing	Yes
Weight	950 g
Dimensions	90 x 108 mm
Buy
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Reviews

What do you think about this lens?

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The following opinions have been automatically translated with Google Translate.

Dario Delfine

sent on September 09, 2025

Pros: Excellent in everything

Cons: Not detected

Opinion: I had to sell the EF counterpart - which I loved very much - to be able to buy this superb lens and I regretted it a bit (not for the change, but for having deprived myself of a lens that in my opinion has defects yes, but that I had learned to love). RF from a technical point of view is superior in everything: focus speed; sharpness; blurred pasty and is a real pleasure to use. Since I got it, it has been stationed almost permanently on the camera. Coupled with the 85 mm DS it allows me to work at the top for portraits (and not only; see in my "still life" collection the 85 rendering on a product photo). It is advisable to have it in the kit if you want to get shots with a unique flavor.

Antoniodapa

sent on March 11, 2025

Pros: All

Cons: Nothing

Opinion: It combines the sharpness of a 2025 lens with the poetry of the old Ef. Already at 1.2 the quality is very high, closing is only used to recover depth of field and nothing else. Canon with the RF L has raised the bar a lot. weight and overall dimensions in line with this brightness. High price but adequate to the quality.

user81750

sent on April 28, 2024

Pros: Sharpness, stabilization, blur

Cons: Nobody

Opinion: Let me start by saying that I made a comparative comparison of the same subjects in the same light conditions between the RF 50 f1.2 and the EF counterpart on R5. The differences in sharpness and punch are embarrassing (in favor of RF of course). The results are similar only at closed apertures beyond f8, but between f1.2 and f8 (and this lens must be used at very wide apertures otherwise it makes no sense to buy it) there is no story. I didn't even notice any differences in sharpness between f1.2 and f2.8, the lens already offers maximum sharpness at f1.2, as well as a softness of the blur that is poetry...

_Axl_

sent on March 20, 2024

Pros: enchanting bokeh, impressive MAF precision, excellent sharpness already at f1.2, total absence of flare, gradual and strong detachment of the planes without reaching the sticky figure effect, presence of the programmable control ring, solid and tropicalized construction, 77mm filters, non-existent distortion.

Cons: Heavy (but quite in line with its f1.2 counterparts: the Sony weighs 172 grams less and the Nikon 140 more), bulkier than the Canon EF 50 f1.2 (but it is in line with its counterparts, practically identical to the Sony GM but definitely more compact than the Nikon Z), high price.

Opinion: In a self-respecting kit, a 50 f1.2 cannot be missing. The Canon RF 50 f1.2 collects a heavy legacy, that of the Canon EF 50 f1.2 lens that boasts a huge audience of admirers (including me) and detractors because it was a lens full of optical defects that, in the eyes of admirers, were poetry while in the eyes of detractors they were... optical defects. This Canon RF 50 f1.2 totally differs from its predecessor as it is a super correct and razor-sharp lens already at TA. In Canon's currently produced lenses, the f1.2 aperture is the brightest and is currently reserved for only two lenses, the Canon RF 50 f1.2 and the Canon RF 85 f1.2. This aperture gives photographers and filmmakers the ability to shoot low-light subjects at relatively low ISO with an extremely shallow depth of field, a great way to isolate a subject from its background. Having such large apertures allows you to use fast shutter speeds even in low light conditions, freezing, as a result, both the movement of the subject and the camera shake that could cause microblur (when shooting with a mechanical shutter). The MAF Ring-USM system, also used in Canon's Supertele cameras, smoothly moves the large optical elements of the RF 50 f1.2 allowing for fast and accurate focusing that allows you to easily track subjects as they move through the frame. It was the first 50 f1.2 of the new generation (the Canon came out in 2018, the Nikon Z in 2020 and the Sony GM in 2021) and, compared to the Canon EF 50 f1.2, it stands out for its exemplary sharpness and the absence of any optical defect that, on the other hand, characterized its predecessor. In particular, the total absence of flare even with the sun totally inside the lens is striking. The sharpness at f1.2 is already excellent as well as the contrast across the entire frame, including the extreme corners. Closing the aperture to f2 produces a slight increase in sharpness, which at f2.8 already reaches its maximum. The vignetting is present at f1.2 but it is pleasant and gradually fades when the aperture is closed to disappear definitively at f4. On the side of the lens barrel, there are two switches. One gives direct control over AF/MF (always appreciated) and the other is a focus limiter. The latter is a bit unusual for a 50mm lens, but the RF 50 L is able to focus at a slightly shorter distance than many 50mm (40cm) lenses and has a very useful maximum magnification of 0.19x. The use of MAF's limiter offers a significant difference in the rate of fire acquisition. Distortion is, quite simply, non-existent. If you love the ultra-fast 50mm focal length it is a must have in the Canon system, for me it is an antithetical lens and, therefore, complementary to the Canon EF 50 f1.2 and, therefore, I keep them both supplied.

Giant Step

sent on March 23, 2023

Pros: Sharpness, bokeh, speed, colors, programmable bezel, MAF distance selector, flare resistance, low vignetting

Cons: Price and Weight, of course; Hood a bit bulky

Opinion: Taken only because it was a good opportunity, otherwise I would have stayed with the old EF 50mm f1.2. Oh, and because there's no RF 50mm f1.4 yet and the RF 50mm f1.8 isn't really the best. That said, it excels in everything: the sharpness is already high at TA, the bokeh is creamy more than a pudding, it is fast with moving subjects, it has L-series colors, the programmable ring is very useful and versatile, the MAF distance selector helps a lot, the flare resistance is really very good and makes me leave the hood at home which is a bit too large, the vignetting is very contained both at TA and at closed diaphragms. I like that the lens retracts and does not always remain uncovered so as to avoid bumps with edges.

There are 10 more reviews. Show all »

Photos taken with Canon RF 50mm f/1.2 L USM

Lucie

by Jefonyx
44 comments, 17978 views [editors pick]

HI RES 20.0 MP

A Cold Evening

by Jooferr
120 comments, 7530 views

HI RES 21.9 MP

Evening reflections

by Jooferr
113 comments, 8189 views

HI RES 8.9 MP

Tania

by GinoDelaiti
28 comments, 4163 views [editors pick]

HI RES 18.8 MP

It's almost spring

by Jooferr
111 comments, 5705 views

HI RES 30.1 MP

between calluses and channels at the time of the covid19

by Thesis61
31 comments, 12693 views

HI RES 11.3 MP

Moro Fountain

by Jooferr
118 comments, 6134 views

HI RES 29.5 MP

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Mystical light

by Jooferr
104 comments, 4739 views

HI RES 25.7 MP

The photographer

by Peppe Cancellieri
77 comments, 2622 views

HI RES 8.7 MP

Lucie

by Jefonyx
20 comments, 12296 views

HI RES 18.7 MP

M M

by Thesis61
17 comments, 15907 views

HI RES 9.1 MP

The Man on the Steps

by Jooferr
113 comments, 3993 views

HI RES 29.4 MP

Marcelo

by Peppe Cancellieri
75 comments, 3641 views

HI RES 18.4 MP

Sofia

by Ale Maggiore
65 comments, 3594 views

HI RES 6.0 MP

The dancer

by Ale Maggiore
62 comments, 2172 views

HI RES 6.0 MP

Q Poker selfie

by Peppe Cancellieri
70 comments, 2223 views

HI RES 9.5 MP

The smiling photographer

by Peppe Cancellieri
48 comments, 1564 views

HI RES 9.6 MP

The light of the bike

by Jooferr
93 comments, 3555 views

HI RES 28.7 MP

Cubanity

by Ale Maggiore
42 comments, 2306 views

HI RES 13.5 MP

The bride

by Peppe Cancellieri
57 comments, 3672 views

HI RES 13.3 MP

Venetian happy hour

by Thesis61
15 comments, 6017 views

HI RES 9.1 MP

Grandpa Baker Dark version

by Peppe Cancellieri
76 comments, 2416 views

HI RES 15.9 MP

Avoid

by Thesis61
20 comments, 7818 views

HI RES 7.6 MP

Fashion

by Ale Maggiore
37 comments, 1888 views

HI RES 6.0 MP

Victory

by Peppe Cancellieri
58 comments, 1359 views

HI RES 11.7 MP

Sayaka Car Hire

by Peppe Cancellieri
38 comments, 1670 views

HI RES 16.7 MP

Promenade

by Peppe Cancellieri
40 comments, 1240 views

HI RES 9.9 MP

From Colombia with love

by Ale Maggiore
40 comments, 1818 views

HI RES 6.0 MP

Connects it with Fuji

by Peppe Cancellieri
54 comments, 2785 views

HI RES 16.9 MP

Summer in the city

by Peppe Cancellieri
31 comments, 831 views

HI RES 18.3 MP

Sheila

by Peppe Cancellieri
44 comments, 1259 views

HI RES 4.3 MP

November 25, 2024

by Peppe Cancellieri
37 comments, 2022 views

HI RES 20.0 MP

Chiqui

by Thesis61
17 comments, 2778 views

HI RES 14.7 MP

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Last days as a teenager

by Peppe Cancellieri
37 comments, 1601 views

HI RES 8.2 MP

Ella's smile

by Peppe Cancellieri
38 comments, 698 views

HI RES 6.0 MP

How we were

by Peppe Cancellieri
43 comments, 1855 views

HI RES 14.7 MP

Jenae

by Jefonyx
16 comments, 3762 views

HI RES 20.0 MP

The sample photos are selected automatically between all photos posted by JuzaPhoto members, using the camera and the lens selected in the techs. If you find evident errors (e.g. photos taken with cameras and lenses that are not available yet), you can contribute to improve the page by sending a private message to the user that has entered incorrect values in the photo caption.

Reviews » Lenses » Lenses Canon » Canon RF 50mm f/1.2 L USM

Canon RF 50mm f/1.2 L USM : Specifications and Opinions

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Reviews

What do you think about this lens?

Photos taken with Canon RF 50mm f/1.2 L USM