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Canon RF24- vs Sigma 18-

Updated July 2026 — Canon RF24- wins on stabilization and focal range, Sigma 18- wins on weight and optical quality.

The Canon RF24-105mm offers greater versatility and value, making it the better choice for a wider range of photography styles.

Why Canon RF24- is better

Price

Canon is $128 cheaper than Sigma.

Focal Range

Canon has a wider zoom range of 24-105mm.

Image Stabilization

Canon features optical image stabilization with up to 5 stops.

Why Sigma 18- is better

Compactness

Sigma is designed for portability and everyday use.

Optical Quality

Sigma offers superb optical quality and in-camera aberration correction.

Weight

Sigma is lighter, making it easier to carry.

Overall score

Canon RF24-
85
Sigma 18-
75

Specifications

SpecCanon RF24-Sigma 18-
Price$459.00$587.00
Focal Length24-105mm18-50mm
Max ApertureF4-7.1F2.8
Image StabilizationYesNo
Max Magnification0.5xN/A

Dimension comparison

Canon RF24-Sigma 18-

Overview of the Canon RF24-105mm and Sigma 18-50mm

The Canon RF24-105mm is priced at $459.00, while the Sigma 18-50mm comes in at $587.00, making the Canon about 17% cheaper. Both lenses cater to different photographic needs, with the Canon offering a versatile zoom range suitable for a variety of subjects and the Sigma focusing on compactness and high optical performance. Understanding their features can help determine which lens might be the better choice for your photography style.

Build Quality and Design

The design of the Canon RF24-105mm emphasizes compactness and lightweight construction, making it an excellent choice for travel and outdoor photography. Its versatility allows it to cover a wide focal range from 24mm to 105mm, accommodating landscapes as well as portraits. On the other hand, the Sigma 18-50mm is also compact and light, designed specifically for Sony E-mount cameras. Its small size does not compromise its optical quality, which is a major selling point. Both lenses prioritize portability, but the Canon's wider focal range might give it an edge for diverse shooting scenarios.

Optical Performance

In terms of optical capabilities, the Canon RF24-105mm features optical image stabilization with up to 5 stops of shake correction, which is invaluable for handheld shooting. Its maximum magnification of 0.5x when using Center Focus Macro allows for close-up photography, adding versatility to its performance. The Sigma 18-50mm, however, boasts superb optical quality and in-camera aberration correction, making it a strong contender for those who value sharpness and clarity. Both lenses deliver excellent image quality, but the Canon’s stabilization could be beneficial for dynamic shooting environments.

Focal Length Versatility

The Canon RF24-105mm offers a zoom range from 24mm to 105mm, providing a great deal of flexibility for photographers who shoot a variety of subjects—from wide landscapes to detailed portraits. Its adaptability makes it a go-to option for many photographers. In contrast, the Sigma 18-50mm has a narrower focal range of 18mm to 50mm, which is suitable for street photography and everyday use but might not serve as well for distant subjects. The wider range of the Canon gives it a clear advantage for versatility in focal length.

Image Stabilization Features

Image stabilization is a standout feature for the Canon RF24-105mm, which provides up to 5 stops of shake correction. This is particularly useful for low-light conditions or when shooting at slower shutter speeds. The Sigma 18-50mm lacks explicit mention of stabilization features, which may be a drawback for those looking to shoot hand-held in challenging conditions. The Canon's advanced stabilization not only enhances image clarity but also allows for more creative shooting angles without the worry of camera shake.

Pricing and Value

The Canon RF24-105mm is listed at $459.00, while the Sigma 18-50mm is higher priced at $587.00. The $128 difference represents about a 28% increase in cost for the Sigma, making the Canon a more budget-friendly option. Given the features provided by both lenses, the Canon offers great value for those looking for a versatile lens that doesn’t compromise on quality. The Sigma, while pricier, also offers excellent performance, but potential buyers might consider if the additional cost aligns with their specific needs.

Target Users

The Canon RF24-105mm is ideal for photographers who need a versatile lens that can handle various situations, making it perfect for travel and multi-genre photography. Its macro capabilities and stabilization features further enhance its appeal. The Sigma 18-50mm, however, targets users who prioritize compactness and optical quality for everyday shooting, particularly in urban settings. Users who frequently change lenses might favor the lightweight design of the Sigma, while those seeking a more all-encompassing lens may lean towards the Canon.

Which should you buy?

In conclusion, the choice between the Canon RF24-105mm and the Sigma 18-50mm ultimately depends on your specific photographic needs. The Canon, with its wider zoom range, image stabilization, and lower price point, offers significant versatility and value—making it an excellent choice for a broader range of photography styles. Conversely, if you are primarily focused on compactness and high optical performance for everyday shooting, the Sigma could be a worthwhile investment despite its higher price. Assessing your photography style and budget will guide you to the right decision.