Sigma 10- vs Canon RF 24-
Updated July 2026 — Canon RF 24- leads on price and zoom.
The Sigma 10-18mm F2.8 DC DN offers excellent low-light performance and portability, while the Canon RF 24-105mm f/4L IS USM provides versatility and durability.
Why Sigma 10- is better
Price
Sigma is $720 cheaper than Canon
Weight
Sigma is the lightest ultra-wide-angle lens
Aperture
Sigma has a wider aperture of F2.8
Why Canon RF 24- is better
Zoom Range
Canon covers 24-105mm, more versatile
Image Stabilization
Canon has optical stabilization
Build Quality
Canon features L-Series durability
Overall score
Specifications
| Spec | Sigma 10- | Canon RF 24- |
|---|---|---|
| Brand | Sigma | Canon |
| Max Aperture | F2.8 | F4.0 |
| Focal Length | 10-18mm | 24-105mm |
| Image Stabilization | No | Yes |
| Build Quality | Lightweight | Durable |
Dimension comparison
Introduction to the Lenses
This comparison explores two versatile camera lenses: the Sigma 10-18mm F2.8 DC DN and the Canon RF 24-105mm f/4L IS USM Zoom Lens. The Sigma lens is priced at $679.00, making it about 51% cheaper than the Canon lens, which retails for $1,399.00. Both lenses cater to different photographic needs, appealing to landscape photographers, travelers, and videographers with their unique features and specifications.
Build Quality and Design
The Sigma 10-18mm F2.8 DC DN is lauded for being the world's smallest and lightest ultra-wide-angle zoom lens designed for APS-C cameras. Its compact design makes it an ideal companion for on-the-go photographers. In contrast, the Canon RF 24-105mm f/4L IS USM boasts an L-Series build quality, which is synonymous with durability and professional performance. It includes a control ring for direct setting changes, enhancing the user's shooting experience. While both lenses are well-engineered, the Sigma's lightweight design offers greater portability, whereas the Canon lens provides a robust feel for rigorous use.
Aperture and Low Light Performance
In terms of aperture, the Sigma 10-18mm features a bright F2.8 constant aperture, allowing for excellent performance in low-light conditions. This is particularly beneficial for landscape and travel photography, where lighting can vary significantly. On the other hand, the Canon RF 24-105mm offers a constant f/4.0 maximum aperture, which, while adequate for many situations, may not perform as well as the Sigma in challenging light. The Sigma lens's wider aperture gives it an edge for expressive imaging, making it a preferred choice for videographers and content creators who often shoot in varying light environments.
Zoom Range and Versatility
The Sigma 10-18mm F2.8 DC DN provides an ultra-wide-angle perspective with a focal length of 10-18mm, making it ideal for capturing expansive landscapes and tight spaces. In contrast, the Canon RF 24-105mm offers a broader zoom range of 24-105mm, which covers wide-angle to short telephoto perspectives. This versatility makes the Canon lens suitable for a variety of shooting situations, from portraits to landscapes. While the Sigma excels in ultra-wide shots, the Canon lens's broader range can accommodate more diverse photography styles, appealing to users who prefer an all-in-one solution.
Image Stabilization
The Canon RF 24-105mm f/4L is equipped with optical image stabilization that corrects up to 5 stops of shake, enhancing its performance during handheld shooting. This feature is particularly advantageous for photographers who shoot in low light or at slower shutter speeds. The Sigma 10-18mm, while not explicitly noted for image stabilization, is designed to be lightweight and portable, allowing for easier handheld shooting. However, without built-in stabilization, the Canon lens offers a significant advantage for those concerned about maintaining sharp images in challenging conditions.
Target Audience and Use Cases
The Sigma 10-18mm F2.8 DC DN is particularly suited for landscape, travel, and video content creators. Its ultra-wide angle and expressive imaging capabilities cater to those who focus on capturing broad scenes or dynamic video footage. Conversely, the Canon RF 24-105mm f/4L IS USM is designed for a broader audience, including professional and aspiring photographers who require a versatile lens for various shooting scenarios. Its robust design and wide zoom range allow users to transition seamlessly between different types of photography, making it a reliable choice for everyday use.
Price Comparison
With the Sigma 10-18mm priced at $679.00 and the Canon RF 24-105mm at $1,399.00, there's a significant price difference of about $720.00. This makes the Sigma lens about 51% more affordable compared to its Canon counterpart. For budget-conscious photographers or those just starting, the Sigma lens offers a great entry point without compromising on quality. However, the Canon lens, with its advanced features and versatility, may justify its higher price for professionals or dedicated enthusiasts looking for a comprehensive solution.
Which should you buy?
Ultimately, the choice between the Sigma 10-18mm F2.8 DC DN and the Canon RF 24-105mm f/4L IS USM depends on your specific needs as a photographer. If you're seeking a compact, ultra-wide-angle lens that excels in low-light conditions and is ideal for landscapes and video work, the Sigma is a fantastic choice at $679.00. However, if versatility and durability are your priorities, and you're willing to invest more for features like optical stabilization and a broader zoom range, the Canon lens at $1,399.00 may be worth the splurge.

