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Canon RF 24- vs Sigma

Updated July 2026 — Canon RF 24- leads on price and weight.

The Canon RF 24-105mm offers versatility and professional features, while the Sigma 30mm excels in low-light performance and affordability.

Why Canon RF 24- is better

Zoom Range

Canon offers a versatile zoom range from 24mm to 105mm.

Image Stabilization

Canon features five-stop optical image stabilization.

Build Quality

Canon is designed for professional use with high-quality materials.

Why Sigma is better

Price

Sigma is significantly more affordable at $419.

Low-Light Performance

Sigma's f/1.4 aperture excels in low-light conditions.

Portability

Sigma's compact design makes it easy to carry.

Overall score

Canon RF 24-
85
Sigma
75

Specifications

SpecCanon RF 24-Sigma
Max Aperturef/4f/1.4
Focal Length24-105mm30mm
Image StabilizationYesNo
AutofocusNano USMStepping Motor
CompatibilityCanon EOS RSony E-mount

Dimension comparison

Canon RF 24-Sigma

Introduction to the Canon RF 24-105mm and Sigma 30mm F1.4

When comparing the Canon RF 24-105mm f/4L is USM Zoom Lens and the Sigma 30mm F1.4 Contemporary DC DN Lens for Sony E, it's essential to look at their design, features, and intended use. The Canon lens is priced at $1,399.00, while the Sigma lens is significantly more affordable at $419.00, making it about 70% cheaper. This price difference highlights the different target markets and functionalities of these two lenses.

Design and Build Quality

In terms of design, the Canon RF 24-105mm is a compact, high-quality zoom lens specifically designed for the EOS R system. Its professional-grade build is complemented by features like a control ring for direct setting changes and optical image stabilization, which is crucial for handheld photography. The Sigma 30mm, while also compact, boasts a design that prioritizes portability, making it an excellent choice for on-the-go shooting. The nine rounded aperture blades in the Sigma contribute to a smooth bokeh, enhancing its performance in portraiture. Both lenses have unique designs tailored to their specific user bases, with the Canon lens targeting professionals and the Sigma appealing to enthusiasts.

Optical Performance

The Canon RF 24-105mm features a constant f/4 maximum aperture, allowing for versatility in various lighting conditions. Coupled with its five-stop optical image stabilization, it excels in minimizing camera shake, which is particularly beneficial for low-light photography. On the other hand, the Sigma 30mm lens shines with its large f/1.4 aperture, providing exceptional performance in low-light scenarios and the ability to create a shallow depth of field. The Sigma’s optical design aims for high image quality, making it a strong contender for those who prioritize sharpness and clarity in their images.

Versatility in Shooting

The Canon RF 24-105mm stands out for its broad zoom range, making it an ideal choice for photographers who shoot various subjects, from landscapes to portraits. This zoom capability allows for quick adjustments without needing to change lenses, adding to its convenience. In contrast, the Sigma 30mm, being a prime lens, is more specialized. It excels in specific scenarios, particularly in portrait and street photography, where the f/1.4 aperture can create stunning blurred backgrounds. While the Canon lens offers versatility, the Sigma lens shines in situations requiring high performance at a fixed focal length.

Autofocus Capabilities

The autofocus system of the Canon RF 24-105mm benefits from its Nano USM technology, providing fast and quiet autofocus, which is essential for both still and video work. The five-stop image stabilization further enhances its usability during autofocus operations. The Sigma 30mm features a stepping motor that delivers quick and accurate autofocus, making it particularly useful for video applications. Both lenses offer reliable autofocus systems, but the choice between them may depend on whether you need zoom versatility or the fixed focal length benefits of a prime.

Price and Value

With a current price of $1,399.00, the Canon RF 24-105mm is a significant investment, particularly for hobbyists. In contrast, the Sigma 30mm is priced at $419.00, which is about 70% less expensive. This price point makes the Sigma a compelling option for those who want excellent performance without breaking the bank. The Canon lens, while more expensive, offers a broader range of features and professional quality, making it worth considering for serious photographers. Ultimately, the value of each lens depends on the photographer's specific needs and budget.

Intended Users

The Canon RF 24-105mm is designed with professional photographers in mind, especially those using Canon's EOS R system. Its features cater to a wide range of photography styles, including landscapes, portraits, and events. Conversely, the Sigma 30mm is aimed at enthusiasts and semi-professionals seeking a high-quality lens for their APS-C mirrorless cameras. Its compact design and affordability make it accessible for those starting in photography or looking for a quality lens without a hefty price tag. Each lens serves distinct user profiles, which should guide potential buyers.

Which should you buy?

Deciding between the Canon RF 24-105mm and the Sigma 30mm ultimately hinges on your specific needs and budget. If you require a versatile zoom lens with professional features and are willing to invest, the Canon RF 24-105mm is a strong choice. However, if you are looking for a quality prime lens that excels in low-light situations and offers great value for money, the Sigma 30mm is the way to go. Each lens has its strengths, making them suitable for different types of photographers.