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Canon RF75- vs YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,

Updated July 2026 — Canon RF75- wins on zoom and weight, YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens, wins on length.

The Canon RF75-300mm lens offers superior versatility and advanced features, while the YONGNUO YN50mm lens is a budget-friendly option for low-light photography.

Why Canon RF75- is better

Zoom Range

Canon lens offers a versatile 75-300mm zoom.

Autofocus

Canon lens features advanced eye detection autofocus.

Accessories

Canon lens includes a UV filter and cleaning kit.

Why YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens, is better

Price

YONGNUO lens is significantly cheaper.

Low Light

YONGNUO lens excels in low-light conditions.

Compatibility

YONGNUO lens works with a wider range of Canon cameras.

Overall score

Canon RF75-
85
YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,
75

Specifications

SpecCanon RF75-YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,
Focal Length75-300mm50mm
ApertureF4-5.6F1.8
AutofocusYesYes
CompatibilityRF MountEF Mount
Max Magnification0.15x0.15x

Dimension comparison

Canon RF75-YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,

Overview of the Canon RF75-300mm F4-5.6 Zoom Lens

The Canon RF75-300mm F4-5.6 Zoom Lens is designed for Canon EOS R series cameras, offering a focal length range that makes it versatile for various photography styles. Priced at $239.00, this lens is compact and lightweight, making it an excellent choice for photographers who need portability without sacrificing performance.

With features like eye detection autofocus and an impressive zoom range, this lens allows for creative photography, especially in capturing distant subjects. The inclusion of a UV filter, lens cap keeper, and cleaning kit adds value to the package, making it a comprehensive option for new photographers and seasoned pros alike.

Overview of the YONGNUO YN50mm F1.8C Lens

The YONGNUO YN50mm F1.8C Lens offers a large aperture and excellent focus capabilities, making it ideal for shooting in low-light conditions. At a current price of $132.29, it is about 45% cheaper than the Canon RF75-300mm lens, making it a budget-friendly option for Canon EF mount users.

This prime lens is designed for a variety of Canon cameras, providing a fast aperture for enhanced sharpness and performance. It supports both auto and manual focus, ensuring users can adapt to different shooting situations effortlessly, which can be particularly beneficial for portrait and street photography.

Build Quality and Design

The Canon RF75-300mm lens is noted for its compact and lightweight design, comparable to carrying a 500ml water bottle. This feature makes it highly portable, which is a significant advantage for photographers who are on the go. The lens includes essential accessories like a UV filter, which protects the glass and can enhance image quality.

In contrast, the YONGNUO YN50mm lens is also designed with a focus on usability, measuring just 2 inches in length. Its design is straightforward, making it easy to handle, especially for those new to photography. While both lenses are built to be user-friendly, the Canon lens offers additional accessories that enhance its overall package.

Focal Length and Versatility

The Canon RF75-300mm lens boasts an impressive zoom range of 75mm to 300mm, allowing users to capture a wide array of subjects from landscapes to wildlife. This versatility makes it a go-to option for photographers who need flexibility in their shots. Eye detection autofocus at 300mm is a standout feature, helping to ensure that subjects are sharp and in focus.

On the other hand, the YONGNUO YN50mm lens, with a fixed focal length of 50mm, excels in providing sharp images with better edge-to-edge clarity. While it may lack the zoom versatility of the Canon lens, it is excellent for portrait photography and low-light scenarios due to its F1.8 aperture. Each lens serves different purposes, appealing to varied photography styles.

Autofocus and Performance

The Canon RF75-300mm lens features advanced autofocus capabilities, including eye detection technology that operates effectively even at longer distances. This feature enhances the lens's usability for capturing moving subjects, making it a strong choice for action-oriented photography.

Conversely, the YONGNUO YN50mm lens supports both autofocus and manual focus, allowing photographers to choose their preferred method. The lens excels in low-light conditions, giving it an edge in scenarios where light is limited. While both lenses provide good focus capabilities, the Canon lens is better suited for dynamic shooting environments.

Price and Value

With a price tag of $239.00, the Canon RF75-300mm lens is positioned as a more premium option in the camera lens market. It offers additional features and accessories, which justify its higher price. The UV filter and cleaning kit enhance its overall value, making it a complete package for users.

In contrast, the YONGNUO YN50mm lens is available for $132.29, making it a more accessible option for photographers who are budget-conscious. The significant price difference of about $106.71 highlights the varying market segments these lenses cater to. For those starting out or looking for an affordable prime lens, the YONGNUO lens provides excellent value.

Compatibility and Usage

The Canon RF75-300mm lens is exclusively compatible with Canon EOS R series cameras, which limits its usability to a specific camera lineup. This specificity may deter users with other Canon camera models, such as DSLRs that utilize the EF mount.

In contrast, the YONGNUO YN50mm lens is compatible with a broader range of Canon EF mount cameras, including popular models like the 5D and 7D series. This wide compatibility makes it a more versatile choice for users who own various Canon cameras, further enhancing its appeal as an entry-level lens.

Which should you buy?

Choosing between the Canon RF75-300mm F4-5.6 Zoom Lens and the YONGNUO YN50mm F1.8C Lens largely depends on your photography needs and budget. If you seek versatility, portability, and advanced autofocus features for capturing distant subjects, the Canon lens is the superior choice, albeit at a higher price point. However, if you prefer a budget-friendly option that excels in low-light conditions and is compatible with a wide range of Canon EF mount cameras, the YONGNUO lens offers excellent value. Ultimately, your specific photography style and requirements will guide your decision.