Canon RF100- vs VILTROX
Updated July 2026 — Canon RF100- leads on weight and focal length.
The Canon RF100-400mm offers superior versatility and image stabilization, while the VILTROX 25mm excels in low-light performance and affordability.
Why Canon RF100- is better
Zoom Range
100-400mm zoom for distant subjects
Image Stabilization
Optical Image Stabilizer with up to 6 stops
Autofocus Speed
Fast Nano USM technology for tracking
Why VILTROX is better
Price
$176.00 is significantly cheaper
Low-Light Performance
f/1.7 aperture for better low-light shooting
Compact Size
Smaller and lighter for daily carry
Overall score
Specifications
| Spec | Canon RF100- | VILTROX |
|---|---|---|
| Brand | Canon | VILTROX |
| Price | $699.00 | $176.00 |
| Max Aperture | f/5.6-8 | f/1.7 |
| Zoom Capability | Yes | No |
| Autofocus | Nano USM | STM Motor |
Dimension comparison
Overview of the Canon RF100-400mm F5.6-8 IS USM
The Canon RF100-400mm F5.6-8 IS USM is a versatile telephoto lens designed for wildlife and sports photography. Priced at $699.00, it offers a broad zoom range of 100-400mm, making it suitable for capturing distant subjects with clarity. Its compact and lightweight design enhances portability, while features like the Optical Image Stabilizer and fast autofocus contribute to high-quality imaging. This lens is particularly compatible with Canon’s EOS R series cameras, taking advantage of in-body stabilization for improved performance in various lighting conditions.
Overview of the VILTROX 25mm F1.7 E
The VILTROX 25mm F1.7 E is an affordable prime lens priced at $176.00, making it about 75% cheaper than the Canon RF100-400mm. This lens features a bright maximum aperture of f/1.7, which excels in low-light environments and provides beautiful background blur, or bokeh. Designed specifically for Sony E-mount cameras, it is ideal for portraits, street photography, and a variety of creative applications. With a minimum focusing distance of just 0.33 meters, it allows for impressive close-up shots, adding to its versatility.
Image Quality Comparison
When it comes to image quality, both lenses offer distinct advantages suited to different photography styles. The Canon RF100-400mm boasts high image quality throughout its zoom range, thanks to its ultra-low dispersion lens element that corrects chromatic aberration. This results in crisp, colorful images, which is essential for wildlife and sports photography. In contrast, the VILTROX 25mm features a well-optimized optical design with 12 elements in 10 groups, minimizing chromatic aberrations and distortion. This lens excels in producing sharp, vivid images, making it excellent for portraits and landscapes, despite its fixed focal length.
Autofocus Performance
The autofocus system of the Canon RF100-400mm is designed for speed and precision. It utilizes Canon’s Nano USM technology, ensuring fast and quiet focusing, which is crucial when capturing fast-moving subjects. The lens is particularly effective when paired with EOS R series cameras that have in-body stabilization. On the other hand, the VILTROX 25mm employs a new STM motor that delivers near-silent autofocus performance, making it a strong choice for video recording. Both lenses provide reliable autofocus, but the Canon lens offers an edge in tracking moving subjects due to its advanced technology.
Low-Light Performance
In low-light conditions, the VILTROX 25mm shines with its f/1.7 aperture, allowing for exceptional light capture and enabling photographers to shoot in darker environments without sacrificing image quality. This feature is particularly beneficial for portrait and street photographers who often work in varied lighting. The Canon RF100-400mm, with its maximum aperture of f/5.6-8, is less capable in low light but compensates with its image stabilization features, which help to reduce blur caused by camera shake in less-than-ideal lighting situations.
Versatility in Photography
The Canon RF100-400mm is highly versatile, covering a significant zoom range that caters to various types of photography, including wildlife, sports, and travel. Its ability to accept RF tele extenders further extends its reach, making it suitable for capturing distant subjects. Conversely, the VILTROX 25mm is a prime lens, ideal for specific types of photography such as portraits and candid street shots. While it lacks the zoom functionality, it compensates with its ability to produce exceptional image quality at a fixed focal length.
Size and Portability
Portability is an essential factor in choosing a lens, and here the Canon RF100-400mm is designed to be compact and lightweight, making it easier to transport during outdoor shoots. This aspect is crucial for photographers who need to carry their gear for long periods. The VILTROX 25mm is also lightweight, but its smaller size makes it even more convenient for daily carry, especially for street photographers looking for a discreet lens. Both lenses are designed with portability in mind, but the VILTROX has a slight advantage due to its smaller footprint.
Which should you buy?
Choosing between the Canon RF100-400mm F5.6-8 IS USM and the VILTROX 25mm F1.7 E largely depends on your specific needs and budget. If you require a versatile telephoto lens for wildlife or sports photography and are willing to invest $699.00, the Canon lens is an excellent choice. It offers superior zoom capabilities and image stabilization features. However, if you are looking for a budget-friendly option for portraits and street photography, the VILTROX 25mm at $176.00 provides exceptional low-light performance and sharp imagery. Both lenses excel in their domains, making them worthy considerations for different types of photographers.

