Canon RF100mm F2.8 L Macro is USM Lens, Medium vs Sigma
Updated July 2026 — Canon RF100mm F2.8 L Macro is USM Lens, Medium wins on price and build, Sigma wins on versatility and weight.
The Canon RF100mm F2.8 L Macro excels in macro photography with superior image quality, while the Sigma 30mm F1.4 Contemporary offers versatility at a budget-friendly price.
Why Canon RF100mm F2.8 L Macro is USM Lens, Medium is better
Macro Capability
Canon lens offers 1.4x magnification for detailed close-ups.
Image Quality
Canon lens has a fixed f/2.8 aperture for excellent low-light performance.
Build Quality
Canon lens features premium construction typical of L-series lenses.
Why Sigma is better
Price
Sigma lens is approximately 67% cheaper than Canon lens.
Versatility
Sigma lens is suitable for various photography styles.
Portability
Sigma lens has a compact design, making it easy to carry.
Overall score
Specifications
| Spec | Canon RF100mm F2.8 L Macro is USM Lens, Medium | Sigma |
|---|---|---|
| Focal Length | 100mm | 30mm |
| Aperture | f/2.8 | f/1.4 |
| Magnification | 1.4x | N/A |
| Stabilization | Yes | No |
| Compatibility | EOS R | Sony E |
Dimension comparison
Overview of the Canon RF100mm F2.8 L Macro and Sigma 30mm F1.4 Contemporary
The Canon RF100mm F2.8 L Macro is priced at $1248.95, while the Sigma 30mm F1.4 Contemporary is significantly more budget-friendly at $419.00, making it about 67% cheaper than the Canon lens. Both lenses are designed for different types of photography, with the Canon focusing on macro capabilities and the Sigma catering to general photography and videography needs.
Design and Build Quality
The Canon RF100mm F2.8 L Macro boasts a premium build quality typical of Canon's L-series lenses, designed specifically for full-frame EOS R series cameras. Its robust construction is complemented by features like an Optical Image Stabilizer and a Hybrid IS system, which aid in minimizing camera shake during macro shooting. In contrast, the Sigma 30mm F1.4 Contemporary is also well-made, featuring a compact design and a stepping motor for fast autofocus. While both lenses are durable, the Canon lens leans towards a more professional feel, ideal for serious photographers.
Optical Performance
The Canon RF100mm F2.8 L Macro is renowned for its high image quality, with a fixed f/2.8 aperture allowing for excellent performance in low-light situations and creating beautiful bokeh. It offers a maximum magnification of 1.4x, making it the first medium telephoto macro lens capable of such detail. The Sigma 30mm F1.4 Contemporary, with its large f/1.4 aperture, excels in creating a shallow depth of field and is particularly effective in low-light environments. While both lenses deliver impressive optical performance, the Canon's macro capabilities give it an edge in specialized photography.
Focal Length and Versatility
The Canon RF100mm F2.8 is a medium telephoto lens that is particularly suited for macro photography, allowing for detailed close-up shots. Its fixed focal length of 100mm makes it less versatile for general photography compared to the Sigma 30mm F1.4. The Sigma lens, with its 30mm focal length, is ideal for a variety of shooting situations, including portrait and landscape photography, making it a more versatile option. This difference in focal length caters to different photography styles and requirements, appealing to distinct user needs.
Autofocus Capabilities
Both lenses feature advanced autofocus systems designed to enhance user experience. The Canon RF100mm F2.8 employs fast and highly precise autofocus, crucial for capturing fleeting moments in macro photography. Additionally, its Hybrid IS system helps stabilize shots, which is particularly beneficial when working with close-up subjects. The Sigma 30mm F1.4 also offers fast autofocus capabilities thanks to its stepping motor, which is especially useful for video work. While both lenses provide reliable autofocus, the Canon lens's features are tailored for macro applications.
Price Point and Value
The price discrepancy between the two lenses is significant, with the Canon RF100mm F2.8 priced at $1248.95 and the Sigma 30mm F1.4 at $419.00. This means that the Sigma lens is about 67% cheaper, making it a compelling choice for photographers on a budget or those seeking a versatile lens for everyday use. However, the Canon lens justifies its higher price with specialized features aimed at professional macro photography, which may appeal to serious enthusiasts or professionals who prioritize image quality.
Intended Use and Target Audience
The Canon RF100mm F2.8 L Macro is specifically designed for macro photography enthusiasts and professionals who need to capture intricate details in their subjects. Its advanced features cater to those who require high-quality optics for close-up work. On the other hand, the Sigma 30mm F1.4 Contemporary is aimed at a broader audience, including casual shooters, videographers, and those looking for an all-around lens for various scenarios. This targeted design difference makes each lens suitable for different photographers based on their specific needs.
Which should you buy?
Choosing between the Canon RF100mm F2.8 L Macro and the Sigma 30mm F1.4 Contemporary ultimately depends on your photography needs and budget. If you are a macro photographer seeking specialized features and superior image quality, the Canon lens may be worth the investment at $1248.95. However, if you're looking for a versatile and budget-friendly option for general photography, the Sigma lens at $419.00 offers excellent performance at a fraction of the price. Consider your requirements carefully to make the best choice for your photography style.

