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Canon RF 75- vs YNLENS YONGNUO YN50mm

Updated July 2026 — Canon RF 75- wins on weight and versatility, YNLENS YONGNUO YN50mm wins on aperture and portability.

The Canon RF 75-300mm lens offers superior versatility and image quality, while the YONGNUO YN50mm lens excels in low-light performance at a lower price.

Why Canon RF 75- is better

Versatility

Canon lens covers a wide focal range of 75-300mm.

Image Quality

Canon lens optimized for sharpness and clarity.

Autofocus

Canon lens features a responsive DC motor for fast focusing.

Why YNLENS YONGNUO YN50mm is better

Price

YONGNUO lens is significantly cheaper at $102.

Weight

YONGNUO lens is lighter at 203g.

Low-Light

YONGNUO lens has a larger f/1.8 aperture for better low-light performance.

Overall score

Canon RF 75-
85
YNLENS YONGNUO YN50mm
75

Specifications

SpecCanon RF 75-YNLENS YONGNUO YN50mm
Max Aperturef/4-5.6f/1.8
Min Focus4.9 ft1.5 ft
Zoom TypeZoomPrime
AutofocusYesYes
CoatingSuper SpectraNano Coating

Dimension comparison

Canon RF 75-YNLENS YONGNUO YN50mm

Overview of the Canon RF 75-300mm f/4-5.6 Lens

The Canon RF 75-300mm f/4-5.6 Lens is a versatile telephoto zoom lens that offers a broad focal range ideal for various photography styles. Priced at $253.95, this lens is designed specifically for Canon RF-mount cameras, making it a suitable choice for sports, wildlife, and everyday photography. It features a lightweight design, weighing just over 1 lb, and a variable aperture of f/4-5.6, offering a good balance between reach and portability.

This lens is optimized for sharpness and clarity, thanks to its advanced optical design. It includes Canon’s Super Spectra Coating to minimize lens flare and ghosting, enhancing color fidelity and contrast. With a close-focusing capability of 4.9 feet and a 0.25x maximum magnification, the Canon RF 75-300mm lens provides additional versatility for semi-macro photography.

Overview of the YONGNUO YN50mm 50mm f/1.8 Lens

The YONGNUO YN50mm 50mm f/1.8 Lens is a standard prime lens known for its large aperture and excellent low-light performance. Priced at $102.00, this lens is compatible with Nikon F-mount cameras and is a great option for photographers looking to achieve professional results without a hefty price tag. The f/1.8 aperture allows for stunning background blur, making it ideal for portrait photography and artistic storytelling.

Weighing in at just 203g, this compact lens is designed for ease of use and portability. It features a high-definition optical structure that includes 6 elements in 5 groups, which helps to reduce light loss and suppress glare. The lens also offers a minimum focus distance of 0.45m, allowing for closer framing and detailed shots, which is particularly beneficial for food blogging and detail work.

Image Quality Comparison

When it comes to image quality, the Canon RF 75-300mm f/4-5.6 Lens excels with its advanced optical design and coatings. This lens is specifically optimized for sharpness and clarity throughout its zoom range, ensuring high-quality images even in challenging lighting conditions. The Super Spectra Coating helps maintain color fidelity and contrast, crucial for outdoor and backlit photography.

On the other hand, the YONGNUO YN50mm 50mm f/1.8 Lens also offers impressive image quality, particularly in low-light situations due to its wide aperture. The lens's 7-blade circular aperture creates a beautiful bokeh effect, enhancing portrait shots. The optical structure is designed to deliver crisp, clear, and distortion-free images, but it may not match the zoom versatility of the Canon lens.

Versatility in Use

The Canon RF 75-300mm lens is incredibly versatile, covering a focal range from 75mm to 300mm, which is equivalent to 120-480mm on APS-C cameras. This wide range makes it suitable for various photography styles, including sports and wildlife, where distance is often needed. Its ability to focus as closely as 4.9 feet allows for semi-macro photography, adding to its versatility.

Conversely, the YONGNUO YN50mm lens is a prime lens, which means it offers a fixed focal length of 50mm. While this may limit its versatility compared to the Canon lens, it excels in areas like portraiture and street photography, where the 50mm perspective is often desired. The lens's face and eye recognition features enhance its usability for portrait photographers, providing automatic focus and exposure settings.

Autofocus Performance

Autofocus performance is a significant factor for many photographers. The Canon RF 75-300mm lens features a DC motor for responsive and accurate autofocus, making it suitable for both still photography and video. This capability is particularly beneficial for capturing fast-moving subjects, such as athletes in action or wildlife.

In comparison, the YONGNUO YN50mm lens also offers autofocus capabilities but includes a manual focus option as well. This dual functionality allows photographers to switch between automatic and manual focus, providing more control over depth of field and exposure. However, the autofocus performance may not be as quick or responsive as that of the Canon lens, which could be a consideration for users who frequently shoot fast-paced scenes.

Portability and Design

Portability is a key feature of both lenses, but they cater to different needs. The Canon RF 75-300mm lens is lightweight for a telephoto zoom, weighing just over 1 lb, and features a compact design, making it travel-friendly. Its slim profile and modest 58mm filter thread allow it to fit easily into camera bags without adding significant weight.

The YONGNUO YN50mm lens is even more compact, weighing only 203g. Its lightweight construction is ideal for photographers on the go, making it a perfect choice for everyday photography. The use of high-precision metal bayonet and gold-plated contacts enhances its durability, ensuring it can withstand regular use while remaining easy to carry.

Which should you buy?

Choosing between the Canon RF 75-300mm f/4-5.6 Lens and the YONGNUO YN50mm 50mm f/1.8 Lens ultimately depends on your photography needs. The Canon lens offers superior versatility with its broad zoom range, making it ideal for capturing distant subjects like wildlife and sports. At $253.95, it provides excellent image quality and autofocus performance.

On the other hand, the YONGNUO lens shines in low-light scenarios with its large f/1.8 aperture and is priced at a more accessible $102.00, about 60% cheaper than the Canon option. If your focus is on portrait photography or street photography, the YONGNUO could be the better choice due to its compact design and strong performance in these areas.

In conclusion, if you require a versatile telephoto lens for varied photography styles, the Canon RF 75-300mm is the way to go. However, for budget-conscious photographers seeking a lightweight prime lens with excellent low-light capabilities, the YONGNUO YN50mm is an outstanding option.