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Sigma 10- vs Canon RF35mm F1.8 is Macro STM Lens, Black

Updated July 2026 — Sigma 10- wins on weight and size, Canon RF35mm F1.8 is Macro STM Lens, Black wins on price and focusing.

The Sigma 10-18mm F2.8 DC DN excels in wide-angle capabilities, while the Canon RF35mm F1.8 offers macro versatility at a lower price.

Why Sigma 10- is better

Wide Angle

Sigma offers ultra-wide-angle capabilities.

Lightweight

Sigma is the smallest and lightest in its category.

Versatility

Sigma is ideal for landscapes and video.

Why Canon RF35mm F1.8 is Macro STM Lens, Black is better

Price

Canon is more budget-friendly.

Macro Capability

Canon provides 1:2 macro functionality.

Image Stabilization

Canon features optical image stabilization.

Overall score

Sigma 10-
85
Canon RF35mm F1.8 is Macro STM Lens, Black
75

Specifications

SpecSigma 10-Canon RF35mm F1.8 is Macro STM Lens, Black
Focal Length10-18mm35mm
Aperturef/2.8f/1.8
Macro RatioN/A0.5x
StabilizationNoYes
CompatibilitySony ECanon RF

Dimension comparison

Sigma 10-Canon RF35mm F1.8 is Macro STM Lens, Black

Introduction to the Lenses

In this comparison, we evaluate the Sigma 10-18mm F2.8 DC DN and the Canon RF35mm F1.8 is Macro STM Lens. Both lenses cater to different photography needs, with the Sigma lens priced at $679.00 and the Canon lens at $499.00. Understanding their unique features and capabilities will help photographers choose the right lens for their creative endeavors.

Design and Build Quality

The Sigma 10-18mm F2.8 DC DN is marketed as the world's smallest and lightest ultra-wide-angle zoom lens for APS-C cameras, making it an excellent choice for travel and landscape photography. Its compact design does not compromise on quality, allowing for expressive imaging. Conversely, the Canon RF35mm F1.8 is a compact macro lens that offers a minimum focusing distance of 0.56 ft, providing versatility for both wide-angle and macro shots. While the Sigma lens excels in portability, the Canon lens's build quality emphasizes its macro capabilities, making it suitable for detailed close-ups.

Optical Performance

The Sigma 10-18mm F2.8 DC DN boasts a large aperture and ultra-wide-angle zoom, ideal for landscapes and video content creation. Its expressive imaging capabilities make it a favorite among those shooting in dynamic environments. In contrast, the Canon RF35mm F1.8 features a 1:2 macro capability, allowing for detailed close-up shots with a magnification ratio of 0.5x. The optical design of the Canon lens includes a super spectra coating that minimizes flare and ghosting during bright or backlit conditions. Both lenses provide excellent optical performance, but their strengths lie in different areas—Sigma for wide-angle and Canon for macro.

Usability and Features

The Sigma lens is characterized by its user-friendly design, perfect for photographers who often find themselves in fast-paced environments. Its versatility makes it suitable for various applications, including travel and online content creation. The Canon RF35mm, while also user-friendly, includes a control ring that allows for direct setting changes, offering a more hands-on experience. This feature, combined with its optical image stabilization providing up to 5 stops of shake correction, enhances usability, particularly in low-light conditions.

Price Comparison

At $679.00, the Sigma 10-18mm F2.8 DC DN is about 36% more expensive than the Canon RF35mm F1.8, which retails for $499.00. This price difference is significant and may influence a buyer's decision, especially for those on a tighter budget. However, the higher price of the Sigma lens can be justified by its unique features, such as its ultra-wide-angle capability and suitability for various photography styles, which may appeal to a broader range of photographers.

Target Audience

The Sigma 10-18mm F2.8 DC DN is ideal for landscape photographers, travelers, and content creators who need a lightweight, versatile lens. Its wide-angle capabilities serve those looking to capture expansive scenes. On the other hand, the Canon RF35mm F1.8 is tailored for photographers who require a reliable macro lens that can also serve as a general wide-angle option. Its macro capabilities make it particularly appealing to nature and product photographers who need to capture fine details.

Compatibility

The Sigma lens is designed specifically for Sony E mount cameras, making it a perfect choice for users of Sony's APS-C format. Meanwhile, the Canon RF35mm F1.8 is compatible with EOS R series cameras, ensuring seamless integration with Canon's mirrorless ecosystem. This compatibility is crucial for photographers wanting to maximize their camera’s potential, as using a lens meant for a different mount can lead to suboptimal performance.

Which should you buy?

Choosing between the Sigma 10-18mm F2.8 DC DN and the Canon RF35mm F1.8 is ultimately about your specific photography needs. If you are looking for a lightweight, ultra-wide-angle lens for landscapes or video, the Sigma is an excellent choice, despite its higher price of $679.00. However, if macro capabilities and a more budget-friendly option are what you seek, the Canon RF35mm F1.8 priced at $499.00 offers great versatility and performance. Assessing your photography style and the types of subjects you shoot will help you make the right decision.