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Sigma 16- vs Canon RF100-

Updated July 2026 — Canon RF100- leads on price and focal length.

The Sigma lens is a budget-friendly all-rounder, while the Canon lens offers superior performance for specialized photography.

Why Sigma 16- is better

Price

Sigma is significantly cheaper at $694.00.

Versatility

Sigma offers a broader focal range of 16-300mm.

Compatibility

Sigma can be used with various camera types.

Why Canon RF100- is better

Image Stabilization

Canon has built-in stabilization correcting up to 5 stops.

Autofocus

Canon features high-speed Dual Nano USM autofocus.

Build Quality

Canon has L-series construction with weather resistance.

Overall score

Sigma 16-
70
Canon RF100-
90

Specifications

SpecSigma 16-Canon RF100-
Focal Range16-300mm100-500mm
StabilizationNone5 stops
AutofocusStandardDual Nano USM
Build QualityStandardL-series
CompatibilityVariousCanon EOS R

Dimension comparison

Sigma 16-Canon RF100-

Overview

When comparing the Sigma 16-300mm F3.5-6.7 DC OS and the Canon RF100-500mm F4.5-7.1 L IS USM Lens, the most striking difference is their price and application. The Sigma lens is priced at $694.00, while the Canon lens commands a premium price of $2,898.95, making it about 317% more expensive. Each lens serves different photographic needs, with the Sigma being a versatile all-rounder and the Canon designed for specialized super-telephoto photography.

Price Comparison

The Sigma 16-300mm F3.5-6.7 DC OS is significantly more budget-friendly at $694.00 compared to the Canon RF100-500mm, which costs $2,898.95. This price difference of $2,204.95 means that the Sigma lens is an attractive option for those looking to invest less while still gaining a wide focal range. If you're a casual photographer or just starting, the affordability of the Sigma lens makes it a compelling choice without sacrificing versatility.

Focal Length and Zoom Range

The Sigma lens offers a focal length range of 16-300mm, allowing for a wide variety of shooting scenarios, from landscapes to portraits. In contrast, the Canon RF100-500mm provides a super-telephoto zoom range of 100-500mm, making it particularly suitable for wildlife and sports photography. The Canon's longer reach is ideal for capturing distant subjects in detail, whereas the Sigma excels in versatility with its broader range. Depending on your photography style, one may be more beneficial than the other.

Image Stabilization

The Canon RF100-500mm comes equipped with a built-in optical image stabilization system that can correct up to 5 stops of shake. This feature is essential for handheld shooting at longer focal lengths, providing stability and clarity in your images. On the other hand, the Sigma lens does not mention any specific stabilization technology, which may limit its effectiveness in low-light situations or at longer ranges. For photographers who prioritize stability, the Canon lens clearly has the advantage.

Autofocus Performance

When it comes to autofocus, the Canon RF100-500mm features high-speed, smooth, and quiet autofocus with Dual Nano USM technology. This makes it an excellent choice for capturing fast-moving subjects, as it can quickly lock onto a target. The Sigma lens does not provide specific details on its autofocus capabilities, which may indicate less advanced technology. Therefore, for those who need rapid autofocus performance, especially in dynamic environments, the Canon lens is the superior option.

Build Quality and Durability

The Canon RF100-500mm is designed with L-series construction, providing dust and weather resistance, which is vital for outdoor shooting in challenging conditions. Its fluorine-coated lens elements also resist dirt, moisture, and oils, enhancing durability. In contrast, the Sigma lens does not highlight any special weather-sealing or durability features, making it potentially less reliable in adverse weather. Photographers who frequently shoot in tough conditions will find the robust build of the Canon lens a significant advantage.

Compatibility

The Sigma 16-300mm F3.5-6.7 DC OS is a versatile lens that can be used with various camera types, making it suitable for a broader range of photographers. However, the Canon RF100-500mm is specifically designed for the Canon EOS R series mirrorless cameras, meaning its features and performance are optimized for this system. While the Canon lens is more specialized, the Sigma lens’s compatibility may appeal to those who want to use it across different camera systems.

Which should you buy?

Ultimately, the choice between the Sigma 16-300mm F3.5-6.7 DC OS and the Canon RF100-500mm F4.5-7.1 L IS USM Lens comes down to your specific photography needs and budget. The Sigma lens is significantly cheaper at $694.00 and offers a versatile focal range suitable for various photography styles. In contrast, the Canon lens, priced at $2,898.95, is designed for serious photographers who require advanced features like superior optical stabilization, fast autofocus, and robust construction for wildlife and sports photography. If you’re looking for an all-rounder without breaking the bank, the Sigma is a great choice. However, if you need specialized performance and are willing to invest more, the Canon lens stands out as the premium option.