Canon EF-S 55- vs YNLENS YONGNUO YN50mm
Updated July 2026 — Canon EF-S 55- wins on focal length, YNLENS YONGNUO YN50mm wins on weight and length.
The Canon EF-S 55-250mm lens offers versatility and image stabilization, while the YONGNUO YN50mm lens excels in low-light performance and affordability.
Why Canon EF-S 55- is better
Versatility
Canon offers a zoom range of 55-250mm.
Image Stabilization
Canon includes stabilization for clearer shots.
Build Quality
Canon lens is built for durability.
Why YNLENS YONGNUO YN50mm is better
Price
YONGNUO is significantly cheaper.
Low-Light
YONGNUO has a wider aperture of f/1.8.
Lightweight
YONGNUO weighs only 203 grams.
Overall score
Specifications
| Spec | Canon EF-S 55- | YNLENS YONGNUO YN50mm |
|---|---|---|
| Aperture | f/4-5.6 | f/1.8 |
| Focal Length | 55-250mm | 50mm |
| Stabilization | Yes | No |
| Weight | 1.2 lbs | 203g |
| Compatibility | Canon EF-S | Nikon F-Mount |
Dimension comparison
Price Comparison
The Canon EF-S 55-250mm F4-5.6 is STM is priced at $329.99, while the YONGNUO YN50mm 50mm f/1.8 Lens for Nikon F-Mount is significantly cheaper at $102.00. This makes the YONGNUO about 69% less expensive than the Canon lens. For photographers on a budget or those just starting, the lower price of the YONGNUO might be particularly appealing. However, the Canon lens offers a versatile zoom range, which could justify its higher price for users needing more flexibility in framing their shots.
Focal Length and Versatility
The Canon EF-S 55-250mm lens offers an impressive zoom range from 55mm to 250mm, making it suitable for capturing distant subjects with clarity. In contrast, the YONGNUO provides a fixed focal length of 50mm. While the Canon lens excels in versatility, allowing for various shooting scenarios from portraits to wildlife photography, the YONGNUO’s 50mm focal length is ideal for street photography and portraiture, delivering a perspective close to that of the human eye. This difference in focal length will significantly affect the types of photography each lens is best suited for.
Aperture and Low-Light Performance
The YONGNUO YN50mm lens features a large aperture of f/1.8, which is advantageous for low-light photography and achieving a shallow depth of field. This allows for beautiful background blur and enhanced subject isolation, making it a great choice for portrait photographers. The Canon EF-S lens, with an aperture range of f/4-5.6, is not as capable in low-light situations but provides a good balance of sharpness and depth of field at its longer focal lengths. For photographers who often shoot in dim lighting, the YONGNUO's wider aperture could be a decisive factor.
Build Quality and Design
In terms of build quality, the YONGNUO lens has a lightweight design, weighing approximately 203 grams, making it portable and easy to handle for long periods. The Canon EF-S lens, on the other hand, weighs about 1.2 lbs, which is heavier but includes valuable features like Image Stabilization. This stabilization is particularly beneficial for handheld shooting at longer focal lengths, reducing camera shake. While the YONGNUO is designed for convenience and portability, the Canon lens provides added functionality that can be crucial for achieving sharp images in various shooting conditions.
Image Quality
The Canon EF-S 55-250mm lens is engineered with one UD lens element that helps reduce chromatic aberration, ensuring high-resolution images with good contrast across its zoom range. The YONGNUO lens also boasts an optical structure with 6 elements in 5 groups, designed to minimize glare and ghosting, which can negatively affect image quality. Both lenses can deliver impressive results, but the Canon lens may have an edge in terms of overall image quality, particularly at longer focal lengths where detail retention is critical.
Autofocus and Ease of Use
The YONGNUO YN50mm lens features a face/eye recognition function that enhances focus accuracy, making it user-friendly for those who prefer automatic settings. Additionally, the lens allows for manual control, providing flexibility for more experienced photographers. The Canon EF-S lens is equipped with a fast and silent autofocus system, which is essential for capturing fleeting moments without disruption. Both lenses cater to different user preferences, with the YONGNUO appealing to those seeking intuitive features, while the Canon lens may be favored by users who require reliable performance in dynamic shooting environments.
Compatibility
Compatibility is a vital consideration when choosing a lens. The Canon EF-S 55-250mm is designed specifically for Canon's EF-S mount cameras, primarily catering to Canon users. Conversely, the YONGNUO YN50mm is compatible with a wide range of Nikon F-Mount cameras, including popular models like the D3000 and D5000 series. This broader compatibility makes the YONGNUO a versatile option for Nikon users, whereas the Canon lens is limited to a specific brand and mount type.
Which should you buy?
Ultimately, the choice between the Canon EF-S 55-250mm F4-5.6 is STM and the YONGNUO YN50mm 50mm f/1.8 Lens comes down to your specific photography needs and budget. If you require versatility for various shooting scenarios and are willing to invest more for features like Image Stabilization and a wider zoom range, the Canon lens is a compelling option. However, if you're looking for an affordable lens with excellent low-light performance and a focus on portrait photography, the YONGNUO lens is an excellent choice. Each lens has its strengths, so consider what aspects are most important to your photography style before making a decision.

