Canon RF35mm F1.8 is Macro STM Lens, Black vs Sigma 18-
Updated July 2026 — Canon RF35mm F1.8 is Macro STM Lens, Black wins on focal length and magnification, Sigma 18- wins on price and max aperture.
The Canon RF35mm lens excels in macro capabilities and price, while the Sigma lens offers versatility for general photography.
Why Canon RF35mm F1.8 is Macro STM Lens, Black is better
Price
Canon is $88 cheaper than Sigma
Macro Feature
Canon offers macro capabilities with 0.5x magnification
Weight
Canon is lighter and more compact for portability
Why Sigma 18- is better
Versatility
Sigma covers a wider focal range from 18mm to 50mm
Optical Quality
Sigma is designed for exceptional optical performance
Compatibility
Sigma is tailored for Sony E-mount cameras
Overall score
Specifications
| Spec | Canon RF35mm F1.8 is Macro STM Lens, Black | Sigma 18- |
|---|---|---|
| Brand | Canon | Sigma |
| Type | Macro | Zoom |
| Mount | Canon RF | Sony E |
| Stabilization | Yes | No |
| Control Ring | Yes | No |
Dimension comparison
Overview of Canon RF35mm F1.8 is Macro STM Lens
The Canon RF35mm F1.8 is Macro STM Lens is priced at $499.00, making it an appealing option for those looking for a high-quality macro lens. This lens combines the functionality of a wide-angle lens with the specialized capabilities of a macro lens, featuring a 0.5x magnification ratio and a minimum focusing distance of just 0.56 feet. The lens is equipped with optical image stabilization, providing up to five stops of shake correction, which is particularly beneficial for handheld shooting in challenging lighting conditions. The Canon RF35mm is compatible with EOS R series cameras and is designed for those who prioritize versatility in their photography.
Overview of Sigma 18-50mm F2.8 DC DN Contemporary
The Sigma 18-50mm F2.8 DC DN Contemporary lens is priced at $587.00, making it about 17% more expensive than the Canon RF35mm lens. This lens offers a versatile focal range that spans from 18mm to 50mm, providing an excellent option for both wide-angle and standard photography. It boasts superb optical quality and is designed to work seamlessly with in-camera aberration correction. The Sigma lens emphasizes compactness without sacrificing optical performance, making it a great choice for photographers who value portability alongside functionality.
Image Quality Comparison
When it comes to image quality, the Canon RF35mm lens offers a unique advantage with its macro capabilities, allowing photographers to capture fine details with clarity. The super spectra coating on the Canon lens helps control flare and ghosting, which is particularly useful in bright or backlit conditions. On the other hand, the Sigma 18-50mm lens is engineered for exceptional optical performance across its zoom range, ensuring that images retain sharpness and vibrancy. While both lenses excel in their respective niches, the choice between them will depend on whether you prioritize macro photography or a broader focal range.
Versatility in Usage
The Canon RF35mm is primarily designed for macro photography, making it ideal for capturing close-up shots of subjects like flowers or insects. Its compact size and lightweight design enhance its usability in various scenarios. In contrast, the Sigma 18-50mm lens offers a wider focal range, making it more versatile for general photography, including landscapes, portraits, and street photography. The ability to switch between a wide-angle and standard view gives the Sigma lens a distinct edge for photographers who wish to cover different types of shots without changing lenses.
Build Quality and Design
Both lenses showcase exceptional build quality, but they cater to different needs. The Canon RF35mm is compact and lightweight, making it easy to carry around for extended periods. Its design includes a control ring for direct setting changes, enhancing the shooting experience. The Sigma 18-50mm, while slightly bulkier, is still categorized as small and light for a zoom lens, ensuring that it remains portable. The emphasis on compactness in both designs highlights a modern approach to lens manufacturing, catering to photographers who often work in dynamic environments.
Price Consideration
The Canon RF35mm is available for $499.00, while the Sigma 18-50mm is priced at $587.00. This price difference of $88 may influence the decision for budget-conscious photographers. While both lenses provide excellent value, those who require a macro feature might find the Canon lens to be a more attractive option at its lower price point. The Sigma lens, however, justifies its cost through its versatility and optical performance, making it suitable for a wider range of photographic applications.
Compatibility and Connectivity
Compatibility is a crucial factor to consider when choosing a lens. The Canon RF35mm is designed specifically for Canon’s EOS R series cameras, ensuring seamless integration and optimal performance. On the other hand, the Sigma 18-50mm is tailored for Sony E-mount cameras, making it an excellent choice for users of that system. This focus on specific camera systems means that photographers should choose a lens that aligns with their existing gear to maximize performance and usability.
Which should you buy?
Choosing between the Canon RF35mm F1.8 is Macro STM Lens and the Sigma 18-50mm F2.8 DC DN Contemporary ultimately boils down to your photography needs. If macro photography is your primary focus, the Canon lens offers excellent capabilities at a lower price of $499.00. However, if you seek versatility with a broader focal range for various shooting situations, the Sigma lens is a solid choice, albeit at a higher price of $587.00. Consider your specific requirements, camera compatibility, and budget to make the best decision for your photography journey.

