Canon RF 50mm F1.2 L USM Review

The flagship prime lens for Canon’s full-frame mirrorless cameras is the Canon RF 50mm F1.2 L USM lens, which features a maximum aperture of 1.2. This lens is designed to satisfy the requirements of both professional photographers and photography lovers thanks to its large aperture, superior optics, and high-quality construction.

Because of its adaptable focal length of 50 millimeters, this camera is fantastic for a wide range of photographic applications, including portraiture, street photography, and shooting in low light. In the course of this in-depth analysis, we are going to analyze the Canon RF 50mm F1.2 L USM lens from a variety of perspectives in order to evaluate its functionality, features, and overall worth.

$2,299.00 15 used from $1,695.00 16 new from $2,299.00
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Canon RF50mm F 1.2L USM Lens, Black

Key Specs

  • Focal Length: 50mm
  • Maximum Aperture: f/1.2
  • Lens Construction: 15 elements in 9 groups
  • Diagonal Angle of View: 46°
  • Focus Adjustment: AF with full-time manual
  • Closest Focusing Distance: 1.31 ft. / 0.40m
  • Filter Size: 77mm
  • Max. Diameter x Length: Φ3.54 x 4.25 in. (89.8 x 108.0mm)
  • Weight: Approximately 2.09 lbs. (950g)


The Canon RF 50mm F1.2 L USM lens shines with superb picture quality, making it a standout performer in terms of performance. Its huge maximum aperture of f/1.2 enables gorgeous bokeh and remarkable performance in low light conditions.

The lens has aspherical, UD, and BR elements, which work together to reduce the appearance of aberrations and maintain a consistent level of sharpness throughout the frame. Whether you are shooting with the aperture wide open or shut down, the lens produces images that are pin-sharp and have superb contrast and color rendition every time.

Autofocus System

The autofocus technology of the Canon RF 50mm F1.2 L USM lens is lightning-quick, pinpoint precise, and completely dependable. This lens is equipped with Canon’s sophisticated Ultrasonic Motor (USM) technology, which permits for both rapid and accurate autofocus performance. Because the motor that controls focusing is completely quiet, the device may also be used for filming videos.

In addition, the lens has support for full-time manual focus override, which enables photographers to manually adjust the focus to a finer degree even when the autofocus is active. When photographing subjects in difficult lighting circumstances or when fine focusing is necessary, this function is very helpful because it allows you more control over the focus.

Vibration Reduction

Optical image stabilization (IS) is not integrated into the Canon RF 50mm F1.2 L USM lens in any way. On the other hand, it is compatible with the in-body image stabilization (IBIS) technology that is included into certain mirrorless cameras manufactured by Canon.

When coupled with an imaging device such as IBIS found in the camera, the lens has the potential to deliver up to 5 stops of improved image stabilization. This combination efficiently mitigates camera motion, making it possible to take crisper handheld photographs, particularly in low-light conditions or while working with slower shutter speeds.

Build Quality

It should come as no surprise that Canon lenses, including the RF 50mm F1.2 L USM lens, have a reputation for having amazing build quality. It is resistant to dust and moisture because to its sturdy and weather-sealed structure, which also makes it resistant to moisture. The lens barrel is fashioned from high-quality materials, giving it a luxurious feel and ensuring that it will last for a long time.

The focus and control rings function faultlessly, providing accurate control and a gratifyingly delightful feeling when touching them. In general, the lens radiates a feeling of workmanship and dependability, which is suitable for meeting the requirements of professional photographers who need equipment that is able to survive difficult shooting situations.

Handling and Ergonomics

Handling the Canon RF 50mm F1.2 L USM lens is a breeze because to its well-thought-out design, which prioritizes comfort and simplicity. It has a weight of about 950 grams, which brings the total weight of the camera equipment up to a respectable but yet acceptable level. The lens has a good sense of balance when used in conjunction with Canon’s full-frame mirrorless cameras, which ensures a pleasant experience even while shooting for lengthy periods of time.

The control ring enables user-customizable settings like as aperture or ISO control, while the big focus ring delivers fine manual focus control. Additionally, there is a dedicated switch on the lens that allows the user to convert between autofocus and manual focus modes. The ergonomics of the lens help to provide a smooth shooting experience, which enables photographers to concentrate uninhibitedly on realizing the images they envision for their work.

Image Stabilization

It is crucial to note that although the Canon RF 50mm F1.2 L USM lens does not feature optical image stabilization, the RF lens lineup from Canon is designed to take advantage of the in-body image stabilization (IBIS) present in some Canon mirrorless cameras. This lens does not have image stabilization.

While used with a camera that is compatible with the lens, the lens may take use of the camera’s built-in stabilization technology, which helps create clearer photos by compensating for camera shake and assisting in the production of sharper images, particularly in low-light conditions or while utilizing slower shutter speeds. When evaluating the overall performance of the lens in terms of image stabilization, it is important to take into account the stabilization capabilities of the particular camera model being used.

Shooting Experience

To say that using the Canon RF 50mm F1.2 L USM lens for photography is a great experience would be an understatement. The lens has a wide maximum aperture of f/1.2, which contributes to the beautifully clear photos it creates. These photographs also have superb resolution and gorgeous background blur. The lens has a quick and accurate autofocus technology that enables exact focusing, allowing photographers to capture their subjects confidently.

This lens works incredibly well in a wide range of lighting settings, making it a flexible weapon for photographers to have in their arsenal. It may be used for photographing landscapes, portraits, or street scenes. The high build quality of the lens, together with its easy handling, contributes significantly to an overall better shooting experience by offering a sense of reliability and control.

Image Quality

The Canon RF 50mm F1.2 L USM lens definitely excels when it comes to the quality of the images it produces. Even at its most open aperture, the lens maintains exceptional levels of sharpness, clarity, and contrast throughout the whole frame thanks to its cutting-edge optical construction. It does an excellent job of controlling chromatic aberrations, distortions, and flare, which results in images that are both remarkably accurate and faithful.

The lens has the ability to create colors with a rich saturation and realistic tones, which results in images that are vivid and lifelike. The lens is a fantastic option for professional photographers who place a high priority on picture quality due to the combination of its large aperture, superb bokeh rendition, and exceptional resolving capability.

Teleconverter Compatibility

Because it is compatible with Canon’s RF teleconverters, the Canon RF 50mm F1.2 L USM lens gives photographers the ability to expand the lens’s focal length, providing them with greater shooting flexibility. While maintaining the optical performance, focusing capabilities, and overall picture quality of the lens, the teleconverters essentially increase the focal length by 1.4 or 2 times.

The use of teleconverters allows photographers to attain an equivalent focal length of 70mm (1.4x) or 100mm (2x), which broadens the lens’s range of uses and makes it appropriate for numerous types of photography, such as long-distance subjects, sports, or wildlife photography.

Comparison with Competitors

When compared to other lenses in its class, the Canon RF 50mm F1.2 L USM lens distinguishes out because to its superb picture quality, wide maximum aperture, and high-quality construction. It is one of the few lenses that can compete with its sharpness, portrayal of bokeh, and ability to work in low light.

Even if other manufacturers may provide focal lengths and aperture settings that are comparable to Canon’s, the company’s lens continues to uphold its reputation for providing exceptional optical performance and dependability. The focusing technology of the lens has received a lot of praise for both its speed and its accuracy, making it easier for photographers to take pictures of their subjects. When taking into account its total performance, image quality, and construction, the Canon RF 50mm F1.2 L USM lens establishes a high level in the industry.


Focal Length50mm
Maximum Aperturef/1.2
Lens Construction15 elements in 9 groups
Diagonal Angle of View46°
Focus AdjustmentAF with full-time manual
Closest Focusing Distance1.31 ft. / 0.40m
Filter Size77mm
Max. Diameter x LengthΦ3.54 x 4.25 in., approx.
WeightΦ89.8 x 108.0mm, approx. 2.09 lbs. / 950g

Pros and Cons


  • Outstanding visual quality, both in terms of sharpness and contrast.
  • A large maximum aperture of f/1.2 allows for stunning bokeh even in low-light conditions.
  • System of autofocus that is quick and accurate
  • Strong construction with comprehensive weatherproofing.
  • The controls are easy to use, and the handling is comfortable.


  • The pricing is much higher in comparison to comparable 50mm lenses.
  • There is no guarantee that heavier weight would appeal to every photographer.
  • Absence of an optical picture stabilization system integrated in

Price and Availability

The Canon RF 50mm F1.2 L USM lens has a higher price tag than other 50mm lenses since it is positioned as a high-end product in Canon’s RF lens family. This positioning results in the lens having a larger aperture of 1.2. At the time this article was written, the lens could be purchased, albeit at an extremely high cost.

Those that expect the highest possible level of quality and dependability from their equipment will find that the remarkable performance, sophisticated optics, and professional-grade build quality of this product justifies the expense. The lens is available for purchase through authorized Canon dealers as well as internet platforms, guaranteeing that photographers who are interested in acquiring this remarkable lens for their Canon RF system will have several opportunities to do so.

$2,299.00 15 used from $1,695.00 16 new from $2,299.00
in stock
Canon RF50mm F 1.2L USM Lens, Black


The Canon RF 50mm F1.2 L USM lens is a prime lens that excels in terms of picture quality, performance, and construction. It is the company’s flagship lens. Because of its large maximum aperture, sophisticated optics, and dependable autofocus mechanism, it demonstrates itself to be a useful instrument for both experienced photographers and amateurs who are just starting out. Although it does not have optical image stabilization built in, it is compatible with Canon’s in-body image stabilization technology, which, when used with cameras that are also compatible with that system, offers effective image stabilization.

The high build quality of the lens, together with its comfortable handling and user-friendly settings, contribute to an enhanced shooting experience that frees photographers to concentrate on their creative endeavors without interruption. When considering picture quality as a whole, the Canon RF 50mm F1.2 L USM lens establishes a high standard, making it an excellent option for photographers who place a high value on both optical perfection and adaptability in their work.

Canon RF 50mm F1.2 L USM FAQs

Q. Is the Canon RF 50mm F1.2 L USM lens suitable for low-light photography?
A. Yes, the Canon RF 50mm F1.2 L USM lens is highly suitable for low-light photography. With its wide maximum aperture of f/1.2, it allows more light to enter the lens, resulting in brighter and sharper images even in challenging lighting conditions.
Q. Does the Canon RF 50mm F1.2 L USM lens have image stabilization?
A. The Canon RF 50mm F1.2 L USM lens does not have built-in optical image stabilization. However, it is compatible with Canon’s in-body image stabilization (IBIS) system found in select Canon mirrorless cameras, which can compensate for camera shake and enhance image stabilization.
Q. Can the Canon RF 50mm F1.2 L USM lens be used for portrait photography?
A. Absolutely! The 50mm focal length of this lens is considered a classic choice for portrait photography. The wide maximum aperture of f/1.2 allows for beautiful background blur and shallow depth of field, resulting in stunning and professional-looking portraits with excellent subject separation.
Q. What is the closest focusing distance of the Canon RF 50mm F1.2 L USM lens?
A. The closest focusing distance of the Canon RF 50mm F1.2 L USM lens is approximately 1.31 ft. (0.40m). This allows you to get close to your subject, capturing fine details and creating impactful compositions.
Q. Is the Canon RF 50mm F1.2 L USM lens weather-sealed?
A. Yes, the Canon RF 50mm F1.2 L USM lens features weather sealing, which provides protection against dust and moisture. This feature enhances the lens’s durability and allows you to use it in various weather conditions without worry confidently.


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