Canon RF-S18- vs VILTROX
Updated July 2026 — Canon RF-S18- leads on price and weight.
The Canon RF-S18-150mm offers greater versatility and advanced features, while the VILTROX 25mm excels in low-light performance and is more budget-friendly.
Why Canon RF-S18- is better
Versatility
Canon lens covers a wide zoom range.
Stabilization
Canon offers superior image stabilization.
Compatibility
Canon works with both APS-C and full-frame cameras.
Why VILTROX is better
Price
VILTROX is significantly cheaper.
Aperture
VILTROX has a brighter f/1.7 aperture.
Weight
VILTROX is lighter and more compact.
Overall score
Specifications
| Spec | Canon RF-S18- | VILTROX |
|---|---|---|
| Autofocus | Lead screw-type STM | New STM motor |
| Image Quality | High optical performance | Optimized design |
| Use Case | Versatile for various styles | Specialized for portraits |
| Build Quality | Compact and robust | Thoughtful design |
| Compatibility | APS-C and full-frame | Sony E mount only |
Dimension comparison
Overview of the Canon RF-S18-150mm and VILTROX 25mm
When comparing the Canon RF-S18-150mm Telephoto Lens and the VILTROX 25mm F1.7 E Lens, it's clear that both products serve different photography needs. The Canon lens is priced at $569.00, while the VILTROX is more budget-friendly at $176.00, making it about 69% cheaper. This price difference reflects their distinct functionalities, with the Canon lens offering a versatile zoom range and the VILTROX lens providing a bright aperture for low-light photography.
Intended Use and Versatility
The Canon RF-S18-150mm is designed for creative photography and videography, featuring a zoom range that covers standard-angle to telephoto. This flexibility makes it ideal for various shooting scenarios, including landscapes, portraits, and sports. In contrast, the VILTROX 25mm F1.7 E, with its fixed focal length, excels in specific genres like portrait and street photography. Its wide aperture allows for exceptional background blur, making it perfect for capturing stunning portraits. While the Canon lens is more versatile, the VILTROX lens offers a specialized approach to certain styles.
Optical Performance and Image Quality
Optical performance is where the Canon RF-S18-150mm truly shines with its in-lens optical image stabilization providing up to 6.5 stops of shake correction when paired with EOS R series cameras. This advanced stabilization helps to capture sharp images in low light, making it a great choice for dynamic shooting environments. On the other hand, the VILTROX 25mm features a sophisticated optical design with 12 elements in 10 groups, including high refractive and aspherical elements, which significantly minimize distortion and flare. While both lenses offer impressive optical quality, the Canon lens provides superior stabilization for more challenging conditions.
Autofocus Capabilities
The autofocus systems in both lenses are tailored to their respective uses. The Canon RF-S18-150mm incorporates a lead screw-type STM motor, allowing for smooth and quiet autofocusing, which is particularly beneficial when shooting videos. This feature ensures that background noise is minimized, making it suitable for quiet environments. Conversely, the VILTROX 25mm also boasts a new STM motor that delivers fast and precise autofocus, with low focus breathing for smooth transitions during video recording. While both lenses offer effective autofocus, the Canon’s system is designed with more versatility in mind, catering to both photography and videography.
Build Quality and Design
In terms of design, the Canon RF-S18-150mm lens is compact and lightweight, making it convenient for photographers on the go. It also comes equipped with dynamic image stabilization, enhancing its usability during motion shooting. The VILTROX 25mm features a thoughtful design with an extended lens hood for better protection against stray light. It includes a USB-C upgrade port for easy firmware updates, ensuring compatibility with newer camera models. While both lenses exhibit quality design elements, the Canon lens may appeal more to those seeking a robust, versatile solution for a variety of shooting environments.
Price Comparison
The price difference between these two lenses is significant, with the Canon RF-S18-150mm retailing at $569.00 and the VILTROX 25mm priced at $176.00. This makes the VILTROX about 69% cheaper than the Canon lens, appealing to budget-conscious photographers or those just starting out. However, the price of the Canon lens reflects its advanced features and versatility, which may justify the investment for more experienced users or those needing a comprehensive lens for diverse shooting situations.
Compatibility and Camera Systems
The Canon RF-S18-150mm is specifically designed for APS-C cameras with the RF mount but also operates on full-frame EOS R series cameras, automatically enabling a crop mode. This broad compatibility ensures that users can utilize this lens across multiple camera systems. On the other hand, the VILTROX 25mm F1.7 is designed for Sony E mount cameras, including popular models like the a6400, a6500, and a6600. While both lenses are compatible with specific systems, the Canon’s adaptability to both APS-C and full-frame cameras may make it a more appealing choice for photographers looking to invest in a long-term lens solution.
Which should you buy?
Choosing between the Canon RF-S18-150mm and the VILTROX 25mm F1.7 ultimately depends on your photography needs and budget. If you're looking for a versatile lens that excels in various shooting conditions, the Canon RF-S18-150mm, despite its higher price, offers exceptional features like extensive zoom capabilities and advanced stabilization. However, if you are focused on portrait work or street photography and prefer a lighter investment, the VILTROX 25mm provides excellent optical quality and low-light performance at a significantly lower price. Therefore, assess your specific photography style and requirements to determine which lens aligns best with your creative pursuits.

