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Canon EF-S 10- vs YNLENS YONGNUO YN50mm

Updated July 2026 — Canon EF-S 10- wins on weight and length, YNLENS YONGNUO YN50mm wins on focal length and focus distance.

The Canon EF-S 10-18mm lens excels in versatility and optical performance, while the YONGNUO lens offers a budget-friendly option for portrait photography.

Why Canon EF-S 10- is better

Optical Quality

Canon lens has advanced optical features.

Versatility

Canon lens is suitable for wide-angle shots.

Video Performance

Canon lens offers noise-free video shooting.

Why YNLENS YONGNUO YN50mm is better

Price

YONGNUO lens is significantly cheaper.

Portability

YONGNUO lens is lighter and more compact.

Ease of Use

YONGNUO lens has intuitive manual control.

Overall score

Canon EF-S 10-
85
YNLENS YONGNUO YN50mm
70

Specifications

SpecCanon EF-S 10-YNLENS YONGNUO YN50mm
Lens TypeUltra-wide zoomStandard prime
Max Aperturef/4.5-5.6f/1.8
StabilizationYesNo
AutofocusStepping motorManual/Auto
CompatibilityCanon APS-CNikon F-Mount

Dimension comparison

Canon EF-S 10-YNLENS YONGNUO YN50mm

Price Comparison

The Canon EF-S 10-18mm f/4.5-5.6 is STM Lens is priced at $349.00, while the YONGNUO YN50mm 50mm f/1.8 Lens for Nikon F-Mount is significantly more budget-friendly at $102.00. This makes the YONGNUO lens about 71% cheaper than the Canon lens. For photographers on a tight budget or those just starting, this price difference can be a decisive factor. However, the Canon lens is designed for ultra-wide-angle photography, which is often sought after for landscapes and architecture, whereas the YONGNUO lens is a standard prime lens well-suited for portraits and low-light environments. Thus, the choice may depend on the specific needs and budget of the photographer.

Lens Type and Purpose

The Canon EF-S 10-18mm f/4.5-5.6 is STM Lens serves as an ultra-wide zoom lens, ideal for capturing expansive landscapes and architecture, while the YONGNUO YN50mm 50mm f/1.8 Lens is a standard prime lens perfect for portrait photography and low-light situations. The Canon lens offers a focal length of 10-18mm, making it versatile for wide-angle shots. In contrast, the YONGNUO lens has a focal length of 50mm, which replicates the human eye's perspective, making it effective for street photography and capturing details with a creamy background blur. Therefore, the choice of lens type will significantly influence the photographer's style and the subjects they wish to capture.

Optical Performance

In terms of optical performance, the Canon EF-S 10-18mm f/4.5-5.6 lens boasts features such as a large-diameter element, aspherical lens elements, and a UD lens element, all contributing to high-contrast and high-resolution images with minimal glare and aberration. The lens also includes a circular 7-blade aperture, enhancing the quality of background blur. The YONGNUO 50mm lens, while simpler, features a 7-blade circular aperture as well and claims to deliver stunning low-light performance with high-definition nano-coating to suppress glare and ghosting. Both lenses have their unique strengths in optical quality, making them suitable for various photography styles.

Autofocus and Manual Control

The Canon lens features a stepping motor for noise-free video shooting and a refined focus mechanism, which ensures smooth and continuous autofocus during video recording. This is particularly beneficial for videographers. On the other hand, the YONGNUO lens offers automatic and manual switching for aperture control, enabling intuitive adjustments to depth of field and exposure. While the Canon lens may have an edge in autofocus performance, especially for video, the YONGNUO lens provides flexibility that can be advantageous for photographers who prefer manual control.

Build Quality and Portability

When it comes to build quality, the Canon EF-S 10-18mm is designed to be lightweight and portable, making it an excellent choice for travel photographers. It is compact, which is a significant advantage for those who need to carry their gear for extended periods. The YONGNUO 50mm lens is also lightweight at approximately 203 grams, featuring a high-precision metal bayonet and gold-plated contacts, enhancing its durability. Both lenses are convenient for everyday photography, but the YONGNUO lens offers an edge in portability due to its smaller size and light weight, making it an excellent option for casual and street photographers.

Compatibility

Compatibility can play a significant role in a photographer's choice of lens. The Canon EF-S 10-18mm f/4.5-5.6 is designed specifically for Canon EOS cameras with an APS-C sensor, ensuring optimal performance with these models. In contrast, the YONGNUO 50mm f/1.8 lens is compatible with a wide range of Nikon F-Mount cameras, including various DSLRs and mirrorless models. This versatility makes the YONGNUO lens appealing to Nikon users who are looking for a reliable prime lens that works across multiple camera bodies.

User Experience and Versatility

The user experience varies significantly between the two lenses. The Canon EF-S 10-18mm offers advanced features like a high-speed CPU and improved autofocus algorithms, making it user-friendly for both stills and video. It's particularly versatile for travel, stills, and video recording. The YONGNUO lens, while simpler, provides a great option for photographers looking for a reliable prime lens for portrait work and artistic storytelling while offering features like face and eye recognition for enhanced usability. Depending on the user's experience level and photography style, either lens may provide an optimal shooting experience.

Which should you buy?

In conclusion, choosing between the Canon EF-S 10-18mm f/4.5-5.6 is STM Lens and the YONGNUO YN50mm 50mm f/1.8 Lens ultimately depends on your specific photography needs and budget. If you are looking for a versatile ultra-wide-angle lens and are willing to invest more for enhanced optical performance and video capabilities, the Canon lens is the right choice. However, if budget constraints are a priority and you're seeking a reliable prime lens for portrait and low-light photography, the YONGNUO lens is an excellent, cost-effective option. Both lenses have their unique advantages, making them suitable for different types of photographers.