Canon RF100- vs Sony - FE
Updated July 2026 — Canon RF100- leads on price and focal length.
The Canon RF100-400mm excels in telephoto capabilities and advanced features, while the Sony FE 50mm offers great value for portrait photography.
Why Canon RF100- is better
Telephoto Range
Canon offers a zoom range of 100-400mm.
Image Stabilization
Canon has Optical Image Stabilization with up to 5.5 stops.
Autofocus Speed
Canon features high-speed Nano USM autofocus.
Why Sony - FE is better
Price
Sony is significantly cheaper at $248.
Compact Design
Sony is more lightweight and portable.
Bokeh Quality
Sony's F1.8 aperture creates beautiful bokeh.
Overall score
Specifications
| Spec | Canon RF100- | Sony - FE |
|---|---|---|
| Brand | Canon | Sony |
| Max Aperture | F5.6 | F1.8 |
| Zoom Capability | Yes | No |
| Image Stabilization | Yes | No |
| Autofocus Type | Nano USM | Standard |
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 priced at $699.00. This lens is specifically designed for EOS R series cameras and excels in capturing distant subjects, making it an excellent choice for wildlife and sports photography. It offers a zoom range of 100-400mm, providing a significant reach that allows photographers to get closer to their subjects. With features like Optical Image Stabilization, which offers up to 5.5 stops of shake correction, this lens ensures crisp and clear images even in challenging shooting conditions.
Overview of the Sony FE 50mm F1.8 Standard Lens
The Sony FE 50mm F1.8 Standard Lens is a more budget-friendly option, retailing at $248.00. This lens is ideal for portraiture and general photography, thanks to its fast F1.8 maximum aperture that creates stunning defocused backgrounds. The compact and lightweight design makes it an excellent travel companion, suitable for various shooting scenarios. With a 7-blade circular aperture, this lens delivers beautiful bokeh, enhancing the aesthetic quality of images significantly.
Price Comparison
When comparing prices, the Canon RF100-400mm F5.6-8 IS USM is significantly more expensive at $699.00, contrasting with the Sony FE 50mm F1.8, which is priced at $248.00. This means that the Canon lens is about 181% more expensive than its Sony counterpart. While the Canon lens justifies its price through its advanced features and telephoto capabilities, the Sony lens offers a high-quality option for those on a budget or who primarily shoot in the standard range.
Image Quality and Performance
Image quality is a standout feature for both lenses, though they cater to different needs. The Canon RF100-400mm features a single Ultra Low Dispersion lens element that minimizes chromatic aberration, ensuring colorful and crisp images throughout the zoom range. In contrast, the Sony FE 50mm utilizes a double-gauss configuration that effectively suppresses field curvature and distortion, making it an excellent choice for portrait photography. While the Canon lens excels in long-distance shots, the Sony lens shines in providing beautiful defocused effects due to its wide aperture.
Autofocus Capabilities
The Canon RF100-400mm is equipped with Canon’s Nano USM technology, which ensures high-speed, smooth, and quiet autofocus, making it ideal for fast-moving subjects. This capability is particularly beneficial for wildlife and sports photography, where timing is crucial. On the other hand, the Sony FE 50mm also offers reliable autofocus but does not specify advanced technology like Nano USM. While the Sony lens provides decent focusing, it may not match the speed and performance of the Canon lens in dynamic shooting environments.
Usability and Design
When it comes to usability, the Canon RF100-400mm is designed with photographers in mind, featuring a control ring that allows for quick adjustments to settings like shutter speed and aperture. This feature adds convenience, especially when shooting in varying light conditions. The lightweight design of both lenses makes them portable; however, the Canon lens, being a telephoto, is bulkier than the compact Sony FE 50mm. This makes the Sony lens more convenient for everyday use, particularly for casual photographers and travel enthusiasts.
Application and Versatility
The application of each lens varies based on the photographer's needs. The Canon RF100-400mm is perfect for situations requiring a long focal length, such as wildlife and sports photography, where getting close to the action is not possible. It is also compatible with RF extenders, allowing for even greater reach. Meanwhile, the Sony FE 50mm is versatile in its own right, ideal for portraits, street photography, and low-light conditions due to its fast aperture. Each lens offers unique advantages depending on the shooting scenario, making them suitable for different types of photography.
Which should you buy?
Choosing between the Canon RF100-400mm F5.6-8 IS USM and the Sony FE 50mm F1.8 depends on your specific photography needs. If you require a telephoto lens for capturing distant subjects with excellent image stabilization and autofocus performance, the Canon RF100-400mm is the better choice despite its higher price. However, if you are looking for an affordable, lightweight lens that excels in portrait photography and general use, the Sony FE 50mm is a fantastic option at a much lower price point. Ultimately, your decision should be based on your budget and the types of photography you plan to pursue.

