Canon RF100- vs VILTROX AF
Updated July 2026 — Canon RF100- leads on weight and focal length.
The Canon RF100-400mm offers superior versatility and performance, while the VILTROX AF 50mm provides excellent value for budget-conscious photographers.
Why Canon RF100- is better
Zoom Range
100-400mm vs 50mm
Image Stabilization
Up to 6 stops of shake correction
Autofocus Speed
Faster autofocus with Nano USM technology
Why VILTROX AF is better
Price
$199 vs $699
Weight
220g vs heavier Canon lens
Compactness
Easier to carry for casual use
Overall score
Specifications
| Spec | Canon RF100- | VILTROX AF |
|---|---|---|
| Brand | Canon | VILTROX |
| Price | $699.00 | $199.00 |
| Max Aperture | F5.6 | F2.0 |
| Autofocus | Nano USM | STM Motor |
| Image Stabilization | Yes | No |
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 specifically for the EOS R Series cameras. With a current price of $699.00, it offers a compact and lightweight design that is ideal for wildlife, sports, and travel photography. The lens features a zoom range of 100-400mm, enabling photographers to capture distant subjects with impressive detail. Additionally, it incorporates an Optical Image Stabilizer, providing up to 6 stops of shake correction when paired with compatible EOS R cameras. This lens stands out for its high-speed autofocus using Canon’s Nano USM technology, making it a reliable choice for action shots.
Overview of the VILTROX AF 50mm F2.0 Air Z Lens
The VILTROX AF 50mm F2.0 Air Z Lens for Nikon Z Mount is priced at $199.00, making it a significantly more affordable option compared to the Canon lens. This standard prime lens is designed for a variety of photography styles, including portraits and landscapes. With a large aperture of F2.0, it produces a beautiful bokeh effect that enhances subject focus while blurring distracting backgrounds. The lens is lightweight at just 220 grams and features a minimum focusing distance of 0.51 meters, allowing for close-up shots. Its efficient autofocus is powered by a built-in STM motor, making it suitable for both photography and video shooting.
Build and Design Comparison
In terms of build and design, the Canon RF100-400mm is more substantial, reflecting its reach and functionality. It is engineered to provide durability and quality, suitable for outdoor conditions. Weighing significantly less, the VILTROX AF 50mm is compact and easy to carry, appealing to photographers who value portability. The Canon lens can accept tele extenders, enhancing its versatility further, but its size may be cumbersome for everyday use. On the other hand, the VILTROX’s lightweight design makes it an excellent choice for casual shooting, street photography, and travel.
Optical Quality
Both lenses boast impressive optical qualities but cater to different needs. The Canon RF100-400mm incorporates a single Ultra Low Dispersion lens element, which effectively minimizes chromatic aberration across its zoom range, ensuring sharp and vibrant images. Its maximum focal length of 400mm allows for detailed capture of distant subjects. The VILTROX AF 50mm, however, features an optical design of 13 elements in 9 groups that includes multiple specialized lenses to produce vivid, distortion-free images. It excels in producing artistic effects with its F2.0 aperture, making it ideal for portrait photography.
Autofocus Performance
Autofocus performance is a critical aspect of both lenses, though they utilize different technologies. The Canon RF100-400mm features Canon’s Nano USM, which provides fast, smooth, and quiet autofocus, particularly beneficial for capturing fast-moving subjects. Its performance is enhanced when used with EOS R series cameras. Conversely, the VILTROX AF 50mm relies on an STM motor that offers reliable autofocus and supports eye/face detection, making it suitable for both photography and video applications. While the Canon lens may have an edge in high-speed scenarios, the VILTROX’s autofocus capabilities are impressive for its price point, especially in everyday shooting situations.
Price and Value Proposition
The price difference between the two lenses is significant, with the Canon RF100-400mm retailing at $699.00 and the VILTROX AF 50mm at $199.00. This makes the VILTROX about 71% cheaper than the Canon lens. For photographers on a budget or those who do not require the extensive zoom capabilities of the Canon lens, the VILTROX offers great value without compromising on image quality. However, for professionals needing a telephoto lens with advanced features, the investment in the Canon may be justified.
Target Audience and Use Cases
Each lens appeals to different types of photographers. The Canon RF100-400mm is tailored for wildlife, sports, and travel photographers who need versatility and reach in their shots. Its features support high-speed shooting and stabilization, making it ideal for dynamic environments. In contrast, the VILTROX AF 50mm is designed for portrait, street, and everyday photography, catering primarily to hobbyists or those who appreciate a standard focal length with beautiful bokeh. Its compact size and affordability make it an attractive option for budding photographers and vloggers.
Which should you buy?
Choosing between the Canon RF100-400mm F5.6-8 IS USM and the VILTROX AF 50mm F2.0 Air Z Lens ultimately depends on your photography needs and budget. If you require a high-performance telephoto lens with advanced stabilization and autofocus features, the Canon is undoubtedly the better choice, albeit at a significantly higher price. However, for those who prioritize portability and affordability—especially in portrait and everyday photography—the VILTROX presents an exceptional value. Each lens serves its purpose well, so consider your specific needs when making your selection.

