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Canon RF 75- vs YONGNUO YN50mm F1.8N Standard Prime Lens, Large

Updated July 2026 — Canon RF 75- wins on focal length and weight, YONGNUO YN50mm F1.8N Standard Prime Lens, Large wins on aperture and portability.

The Canon RF 75-300mm lens offers superior versatility and performance, while the YONGNUO YN50mm lens provides excellent value for budget-conscious photographers.

Why Canon RF 75- is better

Versatility

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

Low-light performance

Canon lens optimized for clarity in challenging light.

Autofocus speed

Canon lens has a responsive DC motor for fast focusing.

Why YONGNUO YN50mm F1.8N Standard Prime Lens, Large is better

Price

YONGNUO lens is significantly cheaper at $102.

Compact size

YONGNUO lens is smaller and easier to handle.

Large aperture

YONGNUO lens has a wide f/1.8 aperture for portraits.

Overall score

Canon RF 75-
85
YONGNUO YN50mm F1.8N Standard Prime Lens, Large
70

Specifications

SpecCanon RF 75-YONGNUO YN50mm F1.8N Standard Prime Lens, Large
Max Aperturef/4-5.6f/1.8
Focal Length75-300mm50mm
AutofocusDC MotorAF/MF
CompatibilityCanon RFNikon DSLR
Price$253.95$102.00

Dimension comparison

Canon RF 75-YONGNUO YN50mm F1.8N Standard Prime Lens, Large

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 designed for Canon's RF-mount mirrorless cameras. It offers a focal range that is ideal for various photography styles, particularly sports and wildlife, while also being compact enough for travel. The lens is priced at $253.95, making it a solid investment for photographers looking for quality and portability.

This lens features a variable aperture of f/4-5.6, which balances reach and portability, weighing just over 1 lb. Its optical design is optimized for clarity and sharpness, enhanced by Canon's Super Spectra Coating to reduce lens flare and ghosting. This makes it suitable for shooting in challenging light conditions, retaining high contrast and color fidelity.

Overview of the YONGNUO YN50mm F1.8N Standard Prime Lens

The YONGNUO YN50mm F1.8N Standard Prime Lens is an excellent addition for Nikon DSLR users, priced at $102.00, which is about 60% less expensive than the Canon RF lens. This prime lens offers a large aperture of f/1.8, making it ideal for low-light conditions and providing a shallow depth of field for portrait photography.

With its support for both auto and manual focus modes, the YONGNUO lens caters to different shooting preferences. It is compatible with both full-frame and APS-C format cameras, enhancing its versatility. The lens is also equipped with gold-plated metal contacts for improved signal conductivity, ensuring reliable performance.

Focal Length and Versatility

The Canon RF 75-300mm lens boasts a versatile focal length range of 75-300mm, which translates to an equivalent 120-480mm on APS-C cameras. This extensive zoom range makes it particularly adept at capturing distant subjects, such as wildlife and sports action, without needing to get too close.

In contrast, the YONGNUO lens has a fixed focal length of 50mm, which is ideal for portraits and everyday photography. While the 50mm focal length is a classic choice for many photographers, it does not offer the same versatility as the Canon RF lens. Thus, if you frequently shoot subjects at varying distances, the Canon lens may be the better option.

Aperture and Low-Light Performance

The Canon RF 75-300mm lens features a variable aperture of f/4-5.6, which is decent for a telephoto zoom lens but may limit its low-light capabilities compared to prime lenses. This lens is still effective for many situations, particularly with its optical design that enhances contrast and color fidelity.

On the other hand, the YONGNUO YN50mm lens has a large maximum aperture of f/1.8, allowing for excellent performance in low-light conditions. This wider aperture also allows for more creative control over depth of field, making it a strong choice for portraiture where background blur is desired. If low-light shooting is a priority, the YONGNUO lens holds a clear advantage.

Build Quality and Portability

Weighing just over 1 lb, the Canon RF 75-300mm lens is designed for portability, making it easy to carry during long photography sessions. Its compact design and 58mm filter thread make it an appealing option for photographers who value convenience.

The YONGNUO YN50mm lens is also lightweight, but its prime design means it is inherently smaller and easier to handle. With its lower price and simplified construction, it appeals to photographers who prefer a straightforward option that is easy to transport. However, the durability and build quality of the Canon lens may offer more reliability in rugged shooting environments.

Autofocus Performance

The Canon RF 75-300mm lens utilizes a DC motor for autofocus, providing responsive and accurate focusing performance suitable for both stills and video. This feature is particularly beneficial for capturing fast-moving subjects like athletes or wildlife, where precise autofocus is critical.

In contrast, the YONGNUO lens also supports autofocus and manual focus modes, giving photographers flexibility in how they choose to shoot. While it lacks specific details on autofocus speed, the inclusion of gold-plated contacts suggests an emphasis on reliable signal transmission for consistent performance. However, the Canon lens may have the edge in terms of speed and accuracy, especially in dynamic shooting scenarios.

Price Comparison

The Canon RF 75-300mm lens comes with a price tag of $253.95, which is a significant investment for many photographers. In comparison, the YONGNUO YN50mm lens is priced at $102.00, making it about 60% cheaper than the Canon option. This substantial price difference can be a deciding factor for those on a budget or looking for a more affordable lens addition to their kit.

While the Canon lens offers versatility and quality, the YONGNUO lens provides a compelling value proposition, especially for those who primarily shoot portraits or need a reliable everyday lens.

Which should you buy?

Choosing between the Canon RF 75-300mm f/4-5.6 Lens and the YONGNUO YN50mm F1.8N Standard Prime Lens ultimately depends on your photography needs. If you require versatility and a longer focal range for subjects like wildlife and sports, the Canon lens is the better option, despite its higher price of $253.95. However, if you primarily shoot portraits or require a lens for low-light environments and want to save money, the YONGNUO lens at $102.00 offers exceptional value.