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 price and compatibility, VILTROX wins on aperture.
The Canon RF50mm F1.8 STM lens excels in low-light performance and versatility, while the VILTROX 9mm F2.8 E lens offers a cost-effective wide-angle option. Choose based on your specific needs.
Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better
Low-Light Performance
Canon's f/1.8 aperture is superior for low-light photography.
Versatility
Canon lens is suitable for a wider range of photography styles.
Image Quality
Canon lens minimizes ghosting and flare effectively.
Why VILTROX is better
Price
VILTROX lens is approximately 9% cheaper.
Wide-Angle
VILTROX offers a wider perspective for landscapes.
Lightweight
Both are lightweight, but VILTROX is slightly more compact.
Overall score
Specifications
| Spec | Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens | VILTROX |
|---|---|---|
| Focal Length | 50mm | 9mm |
| Mount Type | Canon RF | Sony E |
| Autofocus | Yes | Yes |
| Image Stabilization | No | No |
| Lens Type | Prime | Prime |
Dimension comparison
Overview of the Canon RF50mm F1.8 STM Lens
The Canon RF50mm F1.8 STM lens is designed for EOS R series mirrorless cameras and offers a unique blend of portability and performance. Priced at $219.00, this lens is an excellent choice for photographers seeking a versatile fixed focal length option. This lens features a large f/1.8 aperture, which is ideal for low-light photography and achieving a pleasing background blur. As a compact and lightweight lens, it allows for easy transportation and spontaneous shooting, making it perfect for various photography styles, from portraits to landscapes.
The RF50mm lens integrates advanced optical technology, including a PMo aspherical lens that minimizes aberrations, along with coatings that help reduce flaring and ghosting. This combination ensures vibrant color reproduction and sharp images in diverse lighting conditions. Additionally, the lens's control ring allows for direct setting changes, enhancing the user experience, especially for those who enjoy video recording.
Overview of the VILTROX 9mm F2.8 E
The VILTROX 9mm F2.8 E lens is tailored for Sony E-mount cameras and is priced at $199.00, making it around 9% cheaper than the Canon RF50mm lens. This wide-angle prime lens features a bright f/2.8 aperture, which facilitates stunning low-light captures while also providing impressive background separation. It is compact and lightweight, making it an excellent option for photographers who prioritize mobility without sacrificing image quality.
This lens boasts precise manual focus control and an efficient autofocus system powered by a built-in STM stepping motor. This technology enhances the lens's ability to track subjects accurately and supports eye and face detection autofocus, which is particularly valuable for portrait photographers. Designed for both full-frame and APS-C sensor formats, the VILTROX lens is versatile, catering to a wide range of shooting scenarios.
Design and Build Quality
When it comes to design, the Canon RF50mm F1.8 STM lens is compact and lightweight, making it easy to carry for extended periods. Its sleek black finish provides a modern aesthetic that complements the EOS R series cameras. The lens is specifically engineered for optimal performance with Canon's mirrorless systems, ensuring compatibility and ease of use.
In contrast, the VILTROX 9mm F2.8 E lens is also designed with portability in mind, but its wide-angle format allows for broader perspectives. This lens is equally compact, making it suitable for travel and on-the-go photography. While the Canon lens focuses on a fixed focal length, the VILTROX offers the flexibility of wider shots, which can be advantageous in landscape and architectural photography.
Optical Performance
The optical performance of the Canon RF50mm F1.8 STM lens is noteworthy, thanks to its large f/1.8 aperture that ensures excellent low-light capabilities and beautiful bokeh. The lens construction minimizes ghosting and flare, allowing for clearer images in challenging lighting conditions. This makes it particularly suitable for portrait photography, where background blur enhances subject focus.
The VILTROX 9mm F2.8 E lens, while it has a slightly smaller maximum aperture, excels in wide-angle photography. Its f/2.8 aperture is adequate for low-light conditions, and its optical design ensures sharp images across the frame. Additionally, the lens's autofocus system enhances its usability, especially when capturing fast-moving subjects. Both lenses deliver outstanding image quality, but the choice will depend on the type of photography you intend to pursue.
Compatibility and Versatility
The Canon RF50mm F1.8 STM lens is compatible with a wide range of EOS R series mirrorless cameras, including the EOS R100, R50, R10, R7, R8, and R6 models. This broad compatibility makes it a highly versatile option for users of Canon's mirrorless systems. Its fixed focal length allows for creative framing and composition, making it suitable for various applications, from everyday snapshots to professional portrait work.
On the other hand, the VILTROX 9mm F2.8 E lens is designed specifically for Sony E-mount cameras, which include both full-frame and APS-C formats. This lens's wide-angle perspective is ideal for landscapes, architecture, and interior photography, providing a unique viewpoint that a standard lens cannot match. The autofocus features also enhance its versatility, especially for videographers and those capturing dynamic scenes.
Price Analysis
The Canon RF50mm F1.8 STM lens is priced at $219.00, while the VILTROX 9mm F2.8 E lens is available for $199.00. This price difference means that the VILTROX lens is approximately 9% cheaper than the Canon option. For photographers on a budget, this makes the VILTROX lens an appealing choice without compromising on quality. However, the slightly higher price of the Canon lens can be justified by its exceptional low-light performance and versatility for a range of photography styles.
Ultimately, while both lenses fall within a similar price range, the decision may come down to personal preference and the specific photographic needs of the user.
User Experience and Features
User experience with the Canon RF50mm F1.8 STM lens is enhanced by its smooth and quiet autofocus, making it a great choice for both photography and videography. The control ring adds convenience for making quick adjustments, while the lightweight design ensures it is easy to carry around. Users appreciate the quality of images produced, especially in low-light scenarios, where the lens shines.
Similarly, the VILTROX 9mm F2.8 E lens offers a great user experience with its efficient autofocus and precise manual focus option. Photographers benefit from the lightweight design, which makes it an excellent companion for extended shooting sessions. The lens's ability to achieve sharp focus even in low-light conditions is a significant advantage for creatives who work in diverse environments.
Which should you buy?
Choosing between the Canon RF50mm F1.8 STM lens and the VILTROX 9mm F2.8 E lens ultimately depends on your specific needs and camera system. If you own an EOS R series camera and prioritize low-light performance, portrait photography, and a compact design, the Canon lens is a strong contender. However, if you're looking for a more cost-effective option and require a wide-angle perspective for your Sony E-mount camera, the VILTROX lens is a compelling choice. Considering price and performance, both lenses offer distinct advantages that cater to different styles of photography.