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

Updated July 2026 — Canon RF leads on price and weight.

The Canon RF 85mm F2 Macro is STM offers superior optical performance and advanced features, while the YONGNUO YN50mm F1.8C Lens is a budget-friendly option for beginners.

Why Canon RF is better

Optical Performance

Canon lens has better low-light performance and macro capabilities.

Build Quality

Canon lens features a customizable control ring and robust design.

Image Stabilization

Canon lens includes optical image stabilization for better handheld shooting.

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

Price

YONGNUO lens is significantly cheaper.

Size

YONGNUO lens is more compact and lightweight.

Entry-Level

YONGNUO lens is suitable for beginners.

Overall score

Canon RF
85
YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,
65

Specifications

SpecCanon RFYONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,
Max Aperturef/2f/1.8
Max Magnification0.5x0.15x
StabilizationYesNo
Focus TypeAutoAuto/Manual
Control RingYesNo

Dimension comparison

Canon RFYONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,

Price Comparison

The Canon RF 85mm F2 Macro is STM is priced at $589.00, while the YONGNUO YN50mm F1.8C Lens is significantly cheaper at $132.29. This makes the YONGNUO lens about 77% less expensive than the Canon lens. For photographers on a budget or those just starting, this price difference could be a decisive factor. While the Canon lens offers advanced features and capabilities, the YONGNUO provides an accessible entry point for those looking to explore prime lenses without a hefty investment.

Optical Performance

When it comes to optical performance, the Canon RF 85mm F2 Macro is STM stands out with a maximum aperture of f/2, allowing for stunning bokeh and impressive low-light performance. This lens also boasts a maximum magnification of 0.5x, making it suitable for macro photography. On the other hand, the YONGNUO YN50mm F1.8C Lens also features a fast f/1.8 aperture, which is great for low light and delivers better edge-to-edge sharpness compared to standard kit lenses. However, it offers a lower magnification of 0.15x, limiting its macro capabilities. If optical performance is your primary concern, the Canon lens provides superior versatility and quality.

Build Quality and Design

The Canon RF 85mm F2 Macro is STM is designed with a focus on durability and usability, featuring a lightweight build that doesn't compromise on performance. It includes a customizable control ring for direct setting changes, enhancing the shooting experience. The YONGNUO YN50mm F1.8C Lens, while compact at just 2 inches in length, may not match the robust feel of the Canon lens. It supports both auto and manual focus but lacks the advanced features that come with the Canon lens. For those who prioritize a high-quality build, the Canon lens is the more appealing option.

Compatibility

The Canon RF 85mm F2 Macro is STM is compatible with Canon's full-frame mirrorless cameras, including the EOS RP, EOS R, EOS R5, and EOS R6. This makes it an excellent choice for users of these newer camera systems. Conversely, the YONGNUO YN50mm F1.8C Lens is compatible with Canon EF mount cameras, such as the 5D, 7D, and T3 series. While both lenses cater to different camera systems, the Canon lens's compatibility with the latest mirrorless technology gives it an edge in terms of future-proofing.

Autofocus Capabilities

The Canon RF 85mm F2 Macro is STM features advanced autofocus capabilities, enhanced by its fast 12-pin communication system, making it suitable for tracking subjects with precision. The YONGNUO YN50mm F1.8C Lens also supports autofocus, but its performance may not match the speed and reliability of the Canon lens. For photographers who require quick and accurate focusing, especially in dynamic shooting environments, the Canon lens is likely to deliver better results.

Image Stabilization

One of the standout features of the Canon RF 85mm F2 Macro is its optical image stabilization, which offers up to 5 stops of shake correction. This is especially beneficial for low-light shooting and video recording, where stability is crucial. The YONGNUO YN50mm F1.8C Lens does not mention any stabilization features, which could result in more noticeable camera shake during handheld shooting. If image stabilization is a priority for your photography, especially for macro or low-light scenarios, the Canon lens is the clear winner.

Use Cases

The Canon RF 85mm F2 Macro is STM is well-suited for a variety of photography styles, including portraits, street photography, and macro photography. Its versatility makes it an ideal choice for photographers looking to expand their skills. The YONGNUO YN50mm F1.8C Lens, while a great addition for beginners or those looking for a lightweight option, is primarily effective for general photography and low-light situations. Depending on your specific needs, the Canon lens provides more flexibility for diverse shooting experiences.

Which should you buy?

Ultimately, the choice between the Canon RF 85mm F2 Macro is STM and the YONGNUO YN50mm F1.8C Lens depends on your budget and photographic needs. If you're looking for a high-quality lens with advanced features, superior optical performance, and compatibility with modern mirrorless systems, the Canon lens is worth the investment at $589.00. However, if you're just starting out or need a budget-friendly option for general photography, the YONGNUO lens at $132.29 offers excellent value. Consider your priorities carefully to make the best choice for your photography journey.