Sigma 10- vs Canon RF100mm F2.8 L Macro is USM Lens, Medium
Updated July 2026 — Canon RF100mm F2.8 L Macro is USM Lens, Medium leads on price and weight.
The Sigma 10-18mm F2.8 DC DN is ideal for wide-angle photography, while the Canon RF100mm F2.8 L Macro excels in macro and portrait photography. Choose based on your specific needs.
Why Sigma 10- is better
Price
Sigma is significantly cheaper at $679.00.
Weight
Sigma is lighter and more portable.
Wide Angle
Sigma is better for landscapes and travel.
Why Canon RF100mm F2.8 L Macro is USM Lens, Medium is better
Macro Capability
Canon offers 1.4x magnification for detailed close-ups.
Image Stabilization
Canon has superior optical image stabilization.
Bokeh Control
Canon allows adjustments to bokeh shape and character.
Overall score
Specifications
| Spec | Sigma 10- | Canon RF100mm F2.8 L Macro is USM Lens, Medium |
|---|---|---|
| Brand | Sigma | Canon |
| Type | Wide Angle | Macro |
| Max Aperture | f/2.8 | f/2.8 |
| Image Stabilization | No | Yes |
| Focus Type | Auto | Auto |
Dimension comparison
Overview of the Sigma 10-18mm F2.8 DC DN
The Sigma 10-18mm F2.8 DC DN is an ultra-wide-angle zoom lens designed specifically for Sony E mount cameras. Priced at $679.00, it offers a large aperture and compact design, making it ideal for landscapes, travel, and video content creation. This lens stands out as one of the smallest and lightest options available for APS-C cameras, enhancing its portability for creators on the go.
With its impressive imaging capabilities, the Sigma 10-18mm allows photographers to capture expressive images with ease. It’s particularly suited for those looking to expand their creative horizons, especially in wide-angle settings.
Overview of the Canon RF100mm F2.8 L Macro is USM Lens
The Canon RF100mm F2.8 L Macro is USM lens is a medium telephoto macro lens priced at $1,248.95. This lens is engineered for the EOS R series mirrorless cameras and boasts the unique feature of being the world’s first medium telephoto macro lens with a maximum magnification of 1.4x. Its fixed f/2.8 aperture facilitates excellent image quality and is perfect for portraiture and macro photography.
Additionally, the RF100mm lens incorporates advanced optical image stabilization, providing up to 5 stops of shake correction. These features make it ideal for capturing stunning close-up shots while maintaining clarity and compositional integrity.
Image Quality Comparison
When it comes to image quality, the Canon RF100mm lens has several advantages. With a fixed aperture of f/2.8, it offers beautiful background bokeh and control over depth of field, which is crucial for portrait and macro photography. The lens's ability to achieve a maximum magnification of 1.4x allows for capturing intricate details that the Sigma 10-18mm cannot provide due to its ultra-wide angle nature.
On the other hand, the Sigma 10-18mm excels in delivering expressive wide-angle images, making it a strong contender for landscape and travel photography. Its large aperture also contributes to impressive image quality in various lighting conditions. However, for macro enthusiasts wanting to capture fine details, the Canon RF100mm provides a superior experience.
Versatility and Use Cases
The Sigma 10-18mm F2.8 DC DN is particularly versatile for creators involved in travel and online content creation. Its ultra-wide-angle capability makes it ideal for capturing scenic vistas or dynamic video footage. The lens’s lightweight design enhances its portability, allowing photographers to take it anywhere without feeling weighed down.
In contrast, the Canon RF100mm F2.8 L Macro is more specialized, focusing on macro and portrait photography. Its advanced features, such as the SA Control Ring for adjusting bokeh character, make it a fantastic choice for photographers looking to get creative with depth of field and detail in their shots. However, it may not suit those who primarily need wide-angle capabilities.
Price Comparison
Price plays a significant role in the decision-making process for many photographers. The Sigma 10-18mm is priced at $679.00, while the Canon RF100mm comes in at $1,248.95. This makes the Sigma lens about 46% cheaper than the Canon option, which could be a deciding factor for budget-conscious photographers.
However, the price difference also reflects the specialized features that the Canon lens offers, such as macro capabilities and superior image stabilization. While the Sigma lens offers great value for those focused on wide-angle photography, those needing the specific strengths of the Canon RF100mm may find the higher price justified.
Build Quality and Design
In terms of build quality, both lenses are designed with the needs of photographers in mind. The Canon RF100mm features robust construction typical of Canon’s L-series lenses, ensuring durability and reliability in various shooting conditions. Its user-friendly controls, including the SA Control Ring, enhance the shooting experience by offering precise adjustments.
Conversely, the Sigma 10-18mm lens is noted for its compact and lightweight design, making it highly portable. While it may not have the same level of ruggedness as the Canon, it is still well-built and designed to withstand the rigors of travel and outdoor photography. Each lens caters to different user preferences regarding build and usability.
Autofocus Performance
The autofocus performance of both lenses stands out in their respective categories. The Canon RF100mm features fast, highly-precise autofocus, ensuring that even the most fleeting moments are captured sharply, especially in macro photography. This is particularly beneficial when photographing subjects that require quick focus adjustments.
On the other hand, the Sigma 10-18mm also boasts reliable autofocus capabilities suitable for wide-angle photography and video work. However, it may not match the advanced autofocus technology present in the Canon lens, especially in challenging lighting conditions or when capturing fast-moving subjects. For photographers focused on dynamic scenes, the autofocus performance of the Canon RF100mm could be a crucial advantage.
Which should you buy?
Choosing between the Sigma 10-18mm F2.8 DC DN and the Canon RF100mm F2.8 L Macro is primarily dependent on your photography needs. If you are looking for a versatile ultra-wide-angle lens for landscapes, travel, or video, the Sigma lens offers excellent value at $679.00. However, if your focus is on macro or portrait photography, and you require advanced features like high magnification and superior image stability, the Canon RF100mm, despite its higher price of $1,248.95, may be the better investment for your creative pursuits.

