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Canon RF100- vs VILTROX AF

Updated July 2026 — Canon RF100- leads on focal length and weight.

The Canon RF100-400mm excels in versatility and zoom capabilities, while the VILTROX AF 50mm offers superior low-light performance and is more budget-friendly.

Why Canon RF100- is better

Zoom Range

Canon offers a versatile zoom from 100mm to 400mm.

Image Stabilization

Canon includes Optical Image Stabilization.

Build Quality

Canon is compact and lightweight for travel.

Why VILTROX AF is better

Low-Light

VILTROX has a large F1.4 aperture for low-light shooting.

Price

VILTROX is more budget-friendly at $549.

Portrait Performance

VILTROX excels in portrait photography.

Overall score

Canon RF100-
85
VILTROX AF
75

Specifications

SpecCanon RF100-VILTROX AF
Max ApertureF5.6-8F1.4
AutofocusNano USMHyperVCM
Min Focus Dist.2.89 ft0.45 m
Zoom CapabilityYesNo
Video PerformanceGoodExcellent

Dimension comparison

Canon RF100-VILTROX AF

Overview

The Canon RF100-400mm F5.6-8 IS USM and the VILTROX AF 50mm F1.4 Pro FE Lens cater to different photographic needs, making them unique in their offerings. While the Canon lens is tailored for long-range photography with a versatile zoom, the VILTROX lens focuses on low-light performance and portraiture. Understanding their key features will help you decide which lens might be the best fit for your photography style.

Price Comparison

The Canon RF100-400mm is priced at $699.00, while the VILTROX AF 50mm comes in at $549.00, making the VILTROX lens about 21% cheaper. This price difference could influence a budget-conscious photographer's decision. Although the Canon lens offers extensive zoom capabilities, the lower price of the VILTROX lens may appeal to those looking for a quality prime lens without breaking the bank.

Build and Design

When it comes to build quality, the Canon RF100-400mm features a compact and lightweight design, ideal for travel and outdoor photography. Its ergonomic design allows for ease of handling during extended shoots. On the other hand, the VILTROX AF 50mm F1.4 Pro is designed for full-frame Sony cameras, boasting a sleek and robust construction that enhances its professional appeal. While both lenses are designed for different types of photography, the choice in design may ultimately depend on the specific use case and personal preference.

Focal Length and Versatility

The Canon RF100-400mm offers an impressive zoom range from 100mm to 400mm, making it highly versatile for capturing wildlife, sports, and distant subjects. This lens can also achieve a maximum focal length of 800mm when paired with tele extenders, enhancing its usability for serious photographers. In contrast, the VILTROX AF 50mm, with its fixed focal length of 50mm, excels in portrait photography and low-light situations. The two lenses serve different niches; thus, your choice should align with your primary photography focus.

Autofocus Performance

The Canon RF100-400mm features Canon's Nano USM technology, which delivers high-speed, smooth, and quiet autofocus, making it suitable for dynamic shooting environments. This lens is particularly effective when paired with EOS R series cameras, maximizing its autofocus capabilities. Meanwhile, the VILTROX AF 50mm Pro lens incorporates a HyperVCM motor, ensuring fast and quiet autofocus, which is essential for both photography and videography. The performance of both lenses in autofocus will be critical to users who prioritize sharp focus in their work.

Low-Light Performance

Low-light capability is where the VILTROX AF 50mm shines, thanks to its large maximum aperture of F1.4. This feature allows for exceptional low-light performance and beautiful background blur, making it ideal for portraiture. The Canon RF100-400mm, with its maximum aperture of F5.6-8, is less suited for low-light conditions but compensates with its extensive zoom range. Photographers who often shoot in dim environments may find the VILTROX lens more advantageous, while those focused on capturing distant subjects may prefer the Canon lens.

Image Stabilization

The Canon RF100-400mm includes Optical Image Stabilization, providing up to 5.5 stops of shake correction. When paired with EOS R series cameras that feature In-Body Image Stabilization, this can extend to 6 stops, enhancing overall image stability. In contrast, the VILTROX AF 50mm does not explicitly mention image stabilization but is designed to maintain outstanding sharpness, even at full aperture. For photographers who shoot handheld or in challenging conditions, the Canon's stabilization features may offer a significant advantage.

Conclusion

Both the Canon RF100-400mm F5.6-8 IS USM and the VILTROX AF 50mm F1.4 Pro FE Lens present compelling features tailored to different photographic needs. The Canon lens excels in versatility and long-range capabilities, making it ideal for wildlife and sports photography. In contrast, the VILTROX lens offers superior low-light performance and is more budget-friendly.

Which should you buy?

Ultimately, the decision should hinge on your specific photography style and requirements. If you often find yourself shooting distant subjects and require a versatile zoom lens, the Canon RF100-400mm is a strong contender. However, if your focus is on portraits or low-light environments and you are seeking a more economical option, the VILTROX AF 50mm is an excellent choice. Consider your typical shooting scenarios, budget, and desired features before making your final decision.