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Canon RF 45mm f/1.2 STM : Specifications and Opinions

The Canon RF 45mm f/1.2 STM is a standard lens for FF and APS-C, manufactured from 2025. The focus is done by Stepper Motor, it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 530 €;

7 users have given it an average vote of 9.1 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	45 mm
Angle of view	51.3°
Format	FF, APS-C
Max. aperture	f/1.2
Aperture blades	9
Lenses/Groups	9 elements in 7 groups
Min. focus distance	0.45 meters
Reproduction ratio	0.13x
Features
Stabilization	No
Focus	Stepper Motor
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	67 mm
Lens hood	Yes (not supplied)
Weather sealing	No
Weight	346 g
Dimensions	78 x 75 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.

Gianka79

sent on December 24, 2025

Pros: Weight, shape, aperture size...

Cons: Maybe not suitable for all tastes. It's not an L-series (FINALLY)

Opinion: Not to say.... a lens designed FINALLY for those who do not live from photography, but love to shoot and not snatch mega graphs and statistics.... With € 500 you can take home a fixed focal length with an extraordinary aperture. Let's get to the photo side.... I tested it in 2 events.... sports and portrait. It drove me crazy, I didn't feel the lack of zoom and that pinch of wide angle that you perceive I like and it excited me. Combined with the R6 mk2 it tracks the subject without problems and even at full aperture the shots are sharp and in focus.... On the video side it is fun and very light, unlike the 35mm 1.4 vlc, it does not have that annoying ring for the focus selector that sometimes you touch involuntarily. It doesn't have a lens hood it's true, but it's certainly available from third parties or easily 3d printed if someone wants. I recommend it to those like me who don't want to spend the madness of the 50 1.2 and not have a heavy fixed to carry in their backpack.

Lars

sent on December 18, 2025

Pros: Perfectly balanced weight, excellent blur and detachment with the background at 1.2, excellent sharpness from 1.2, cheap

Cons: The standard lens hood is missing, but we already knew

Opinion: It is not always necessary to buy an L-series, even as a professional. Very happy, arrived today, tested and it is really the lens I was looking for last year when I bought the 50mm 1.4 L out of desperation, for heaven's sake beautiful, excellent performance, but the 1.4 is absolutely unbalanced! (Horrible is the new magnet focusing technology, which as soon as the camera is turned off the focus remains free and you feel the play of the piece inside oscillating.) In fact, resold the 1.4 and immediately bought the 45mm 1.2. Perfect, balanced in the camera, fast, sharp, comfortable to use in reportage, right weight and I already feel it an extension of my eye.

Photos taken with Canon RF 45mm f/1.2 STM

Marta

by Emilio94
17 comments, 1666 views

HI RES 23.2 MP

Canon RF45f1.2 - Merry Christmas to all

by Vito Serra
51 comments, 1119 views

HI RES 42.5 MP

Lycia

by Rial
39 comments, 506 views

HI RES 3.8 MP

Daniela

by Emilio94
4 comments, 1038 views

HI RES 24.0 MP

Dafne6

by Mmulinai
6 comments, 1973 views

HI RES 5.2 MP

Terry

by Emilio94
0 comments, 966 views

HI RES 17.1 MP

Under the Moon

by Rial
21 comments, 777 views

HI RES 4.3 MP

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Canon RF 45mm f/1.2 STM test

by Angelo Adorisio
10 comments, 305 views

HI RES 8.0 MP

Views of the old town Campobasso

by Francesco Iafelice
15 comments, 210 views

HI RES 16.6 MP

Daphne

by Mmulinai
1 comments, 888 views

HI RES 5.2 MP

Dafne4

by Mmulinai
0 comments, 689 views

HI RES 5.2 MP

Untitled Photo

by Valerio Tagliabue
0 comments, 192 views

HI RES 24.0 MP

Dafne3

by Mmulinai
0 comments, 493 views

HI RES 5.2 MP

Merry Christmas Wishes 2025

by Luigi_1
5 comments, 227 views

HI RES 24.0 MP

Dafne2

by Mmulinai
0 comments, 553 views

HI RES 5.2 MP

Dafne5

by Mmulinai
0 comments, 622 views

HI RES 5.2 MP

Untitled Photo

by One_cl1k
3 comments, 405 views

HI RES 20.0 MP

Reverse Layup

by Lorenzo Blanc
0 comments, 159 views

HI RES 8.6 MP

Exploring Madrid

by Lorenzo Blanc
0 comments, 77 views

HI RES 20.0 MP

Kitchen work

by Arran
2 comments, 51 views

HI RES 44.8 MP

by Shidenkai
7 comments, 129 views

Without corrections

by Mmulinai
0 comments, 239 views

HI RES 4.4 MP

Untitled Photo

by One_cl1k
0 comments, 140 views

HI RES 20.0 MP

Winter mood

by Arran
0 comments, 198 views

HI RES 39.8 MP

Winter portrait

by Arran
0 comments, 122 views

HI RES 22.9 MP

F1.4 with corrections

by Mmulinai
2 comments, 253 views

HI RES 44.8 MP

At f1.2

by Mmulinai
2 comments, 546 views

HI RES 14.7 MP

Pretoria Fountain

by Ilpensionantedelsaraceni
0 comments, 108 views

HI RES 44.8 MP

Pretoria Fountain

by Ilpensionantedelsaraceni
0 comments, 70 views

HI RES 44.8 MP

by Shidenkai
0 comments, 82 views

Without corrections

by Mmulinai
0 comments, 289 views

HI RES 3.7 MP

by Shidenkai
0 comments, 56 views

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Limetree fruits

by Arran
0 comments, 87 views

HI RES 27.8 MP

Test at 1.2 without corrections in the machine

by Mmulinai
0 comments, 238 views

HI RES 44.8 MP

Painted iron

by Arran
0 comments, 83 views

HI RES 23.5 MP

Try at 1.2 with fixes turned on

by Mmulinai
0 comments, 225 views

HI RES 44.8 MP

F1.2 Active Corrections

by Mmulinai
0 comments, 266 views

HI RES 44.8 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 45mm f/1.2 STM

Canon RF 45mm f/1.2 STM : Specifications and Opinions

Buy

Offerte Usato RCE

Reviews

What do you think about this lens?

Photos taken with Canon RF 45mm f/1.2 STM