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Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens vs VILTROX

Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on aperture, VILTROX wins on price and weight.

The Canon RF50mm F1.8 STM Lens is a versatile and budget-friendly option, while the VILTROX 15mm F1.7 excels in wide-angle photography.

Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better

Price

Canon lens is cheaper by $20

Portability

Canon lens is more compact and lightweight

Versatility

Canon lens is suitable for a wider range of photography styles

Why VILTROX is better

Wide Angle

VILTROX lens offers a wider field of view

Aperture

VILTROX lens has a slightly larger aperture

Autofocus

VILTROX lens has faster autofocus for moving subjects

Overall score

Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens
85
VILTROX
78

Specifications

SpecCanon RF50mm F1.8 STM Lens, Fixed Focal Length Prime LensVILTROX
Focal Length50mm15mm
Aperturef/1.8f/1.7
AutofocusStepping MotorSTM Motor
CompatibilityEOS RSony E-Mount
Use CaseVersatileWide-Angle

Dimension comparison

Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime LensVILTROX

Overview of the Canon RF50mm F1.8 STM Lens

The Canon RF50mm F1.8 STM Lens is priced at $219.00, making it a great choice for photographers looking for a compact and versatile prime lens. This lens is designed specifically for Canon's EOS R series mirrorless cameras, offering excellent performance in a lightweight package.

With a large f/1.8 aperture, this lens excels in low-light conditions and provides beautiful background blur, enhancing the quality of portraits and creative photography. The lens features a stepping motor for smooth and quiet autofocus, making it ideal for both photo and video work. Its optimized lens placement and coatings assist in achieving outstanding color balance while minimizing ghosting and flare.

Overview of the VILTROX 15mm F1.7 E-Mount Lens

The VILTROX 15mm F1.7 E-Mount Lens is priced at $239.00, slightly higher than the Canon RF50mm. This ultra-wide-angle lens is designed for Sony's E-mount cameras and is perfect for landscape, architecture, and vlog photography.

With an impressive 84.9° angle of view and a large f/1.7 aperture, this lens offers creative possibilities for capturing expansive scenes or close-ups with dreamy background blur. It features an STM motor for fast and precise autofocus, which is particularly beneficial for moving subjects, ensuring that you won’t miss critical moments while shooting.

Image Quality Comparison

The Canon RF50mm F1.8 STM Lens delivers exceptional image quality with its large f/1.8 aperture, allowing for effective low-light photography and beautiful bokeh effects. This lens is equipped with a PMo aspherical lens to suppress aberrations, ensuring sharp images with great color accuracy.

In comparison, the VILTROX 15mm F1.7 Lens also produces stunning images but emphasizes wide-angle photography. Its 84.9° angle of view helps capture vast landscapes or tight indoor spaces, providing a unique perspective. Both lenses are designed to minimize optical distortions, but the Canon lens may have an edge in low-light performance due to its slightly larger aperture.

Autofocus Performance

Autofocus performance is a critical aspect of both lenses, and both have features that cater to different shooting styles. The Canon RF50mm F1.8 uses a stepping motor, ensuring smooth and silent autofocus operations, making it suitable for video recording as well as photography.

On the other hand, the VILTROX 15mm F1.7 also utilizes an STM motor, offering quick and precise focusing, particularly beneficial for capturing fast-moving subjects. The ability to lock focus rapidly is crucial for portrait and event photography. While both lenses perform excellently, the choice may come down to whether you prioritize quiet operation in video (Canon) or fast focus on dynamic subjects (VILTROX).

Portability and Design

The Canon RF50mm F1.8 STM Lens is designed with portability in mind, being compact and lightweight, making it easy to carry around for extended periods. This characteristic is particularly advantageous for photographers who need a lens that does not add much bulk to their camera bag.

The VILTROX 15mm F1.7, while slightly larger due to its wide-angle design, is still relatively lightweight and manageable. Its design is also optimized for ease of use, but it may not be as compact as the Canon lens. For those who prioritize a travel-friendly option, the Canon lens may be the better choice.

Creative Flexibility

The Canon RF50mm F1.8 offers creative flexibility as a standard prime lens, suitable for a variety of photography styles, including portraits, landscapes, and street photography. The fixed focal length encourages photographers to explore composition and framing creatively.

Conversely, the VILTROX 15mm F1.7 specializes in wide-angle shots, making it ideal for landscape and architecture photography. Its ability to capture more of the scene provides unique opportunities for creative expression. Depending on your photographic needs, the flexibility of the Canon lens versus the expansive view of the VILTROX lens will influence your decision.

Price Comparison

The Canon RF50mm F1.8 STM Lens is priced at $219.00, while the VILTROX 15mm F1.7 E-Mount Lens comes in at $239.00. This makes the Canon lens about 8.4% cheaper than the VILTROX option. For budget-conscious photographers, this price difference could be a significant factor when choosing between these two lenses.

While both lenses offer excellent features and performance, the lower price of the Canon lens may make it a more attractive option for those just starting or looking to expand their lens collection without breaking the bank.

Which should you buy?

Choosing between the Canon RF50mm F1.8 STM Lens and the VILTROX 15mm F1.7 E-Mount Lens ultimately depends on your specific photography needs. If you are seeking a versatile, compact lens for a variety of shooting scenarios, the Canon lens is a solid choice, especially given its lower price of $219.00.

However, if your focus is on wide-angle photography and videography, the VILTROX lens, while slightly more expensive at $239.00, offers unique features that cater to landscape and architectural shots. Both lenses have their strengths, so consider what type of photography you do most before making your final decision.