Canon RF100- vs Canon RF15-
Updated July 2026 — Canon RF100- leads on focal length and focus distance.
The Canon RF100-500mm excels in long-distance photography, while the RF15-35mm offers versatility for wide-angle shots. Choose based on your specific photography needs.
Why Canon RF100- is better
Extended Range
100mm to 500mm focal length for wildlife and sports
Optical Quality
High resolving power with advanced lens construction
Durability
Weather-sealed L-series build for outdoor use
Why Canon RF15- is better
Price
More affordable at $2,398.95
Wide-Angle
15mm to 35mm focal length for landscapes
Lightweight
Easier to handle for extended shooting sessions
Overall score
Specifications
| Spec | Canon RF100- | Canon RF15- |
|---|---|---|
| Image Stabilization | 5 stops | 5 stops |
| Auto Focus | Dual Nano USM | Nano USM |
| Weather Sealing | Yes | Yes |
| Max Aperture | F4.5-7.1 | F2.8 |
| Minimum Focus | 3.0 ft | 0.92 ft |
Dimension comparison
Overview of the Canon RF100-500mm F4.5-7.1 L IS USM Lens
The Canon RF100-500mm F4.5-7.1 L IS USM Lens is a super-telephoto zoom lens designed for versatility and high performance. It offers a focal length range from 100mm to 500mm, making it ideal for capturing sports, wildlife, and aviation photography. Priced at $2,898.95, it features advanced optical image stabilization with up to 5 stops of shake correction, ensuring clarity in challenging conditions.
The lens utilizes Canon's L-series construction, providing durability and weather resistance, which is critical for outdoor shooting. Coupled with dual Nano USM technology for fast and quiet autofocus, it promises excellent optical performance for serious photographers.
Overview of the Canon RF15-35mm F2.8 L IS USM Lens
On the other hand, the Canon RF15-35mm F2.8 L IS USM Lens is a standard zoom lens priced at $2,398.95. This lens is particularly suited for landscape and architectural photography, with a wide-angle range of 15mm to 35mm. It features a bright f/2.8 maximum aperture, allowing for excellent low-light performance and creative control over depth of field.
Like its counterpart, the RF15-35mm also incorporates optical image stabilization of up to 5 stops and Nano USM technology for smooth and quiet autofocus. Its minimum focusing distance of 0.92 feet is particularly advantageous for close-up shots, making this lens versatile for various shooting scenarios.
Price Comparison
When comparing the prices of these two lenses, the RF15-35mm is about 17% cheaper, retailing at $2,398.95 compared to the RF100-500mm's $2,898.95. This price difference may influence buyers depending on their budget and shooting requirements. While the RF100-500mm offers extended reach for wildlife and sports photography, the RF15-35mm provides a more accessible price for those focusing on landscapes and general photography.
Ultimately, the decision may hinge on whether the buyer values the extended focal range of the RF100-500mm enough to justify the higher cost.
Performance in the Field
The Canon RF100-500mm excels in performance for long-distance subjects, making it a preferred choice for photographers who specialize in wildlife or sports. Its range of 100mm to 500mm allows for capturing distant subjects with impressive detail. The lens construction includes one Super UD and six UD lenses, contributing to its high resolving power.
Conversely, the RF15-35mm is designed for versatility in the wide-angle domain. Its f/2.8 aperture and 15-35mm focal length allow photographers to capture expansive landscapes and intricate architectural details with clarity. The robust image stabilization and fast autofocus make it particularly effective in various lighting conditions, including low-light scenarios.
Build Quality and Design
Both lenses are built to withstand challenging shooting conditions. The RF100-500mm features L-series construction, which ensures durability and weather resistance, making it suitable for outdoor photography in various environments. This lens is also designed to be compact and travel-friendly, despite its long focal range.
The RF15-35mm also boasts a weather-sealed design, offering protection against dust and moisture. This makes it reliable for outdoor use, especially in unpredictable weather. Additionally, its lightweight and compact design make it easier to handle during extended shooting sessions, particularly for landscape photographers who may spend long hours on location.
Autofocus and Stabilization
Autofocus and image stabilization are crucial features for both lenses. The RF100-500mm utilizes dual Nano USM technology, providing high-speed, smooth, and quiet autofocus, which is especially important when capturing fast-moving subjects. The lens’s optical image stabilization also aids in achieving sharp images in dynamic situations.
Similarly, the RF15-35mm is equipped with Nano USM technology, ensuring quick and quiet focusing. Its optical image stabilization also allows for up to 5 stops of shake correction, enabling photographers to take clear shots in low-light conditions. Both lenses provide reliable autofocus capabilities, but the RF100-500mm's features are more tailored towards long-range photography.
Ideal Use Cases
The RF100-500mm is ideal for photographers who focus on wildlife, sports, or aviation, given its long reach and ability to capture subjects from a distance. Its versatility in different shooting scenarios makes it a valuable tool for professionals in these fields.
In contrast, the RF15-35mm is better suited for landscape photographers, architects, and those in need of a reliable lens for general photography. Its wide-angle capabilities and bright aperture allow for a range of creative possibilities, making it a great choice for capturing expansive scenes or intricate details.
Which should you buy?
Deciding between the Canon RF100-500mm F4.5-7.1 L IS USM Lens and the Canon RF15-35mm F2.8 L IS USM Lens ultimately depends on your photography needs. If your focus is on capturing distant subjects like wildlife or sports, the RF100-500mm offers superior reach and performance, albeit at a higher price point of $2,898.95.
However, for those who prioritize versatility, especially in landscapes or architectural photography, the RF15-35mm provides excellent value at $2,398.95. Both lenses are built to high standards and include features that enhance performance in various conditions. Your decision should reflect your primary photography interests and budget considerations.

