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Canon RF100mm F2.8 L Macro is USM Lens, Medium vs Sony FE

Updated July 2026 — Canon RF100mm F2.8 L Macro is USM Lens, Medium leads on weight and price.

The Canon RF100mm F2.8 L Macro excels in macro photography, while the Sony FE 40mm f/2.5 G offers versatility and portability at a lower price.

Why Canon RF100mm F2.8 L Macro is USM Lens, Medium is better

Macro Capability

Canon lens offers 1.4x magnification.

Image Stabilization

Canon lens features hybrid IS for stability.

Build Quality

Canon lens has a robust L-series construction.

Why Sony FE is better

Price

Sony lens is $798, significantly cheaper.

Portability

Sony lens is ultra-compact and lightweight.

Versatility

Sony lens is suitable for various photography styles.

Overall score

Canon RF100mm F2.8 L Macro is USM Lens, Medium
85
Sony FE
75

Specifications

SpecCanon RF100mm F2.8 L Macro is USM Lens, MediumSony FE
Max Aperturef/2.8f/2.5
Focal Length100mm40mm
Image StabilizationYesNo
Macro Capability1.4xN/A
Weight700g200g

Dimension comparison

Canon RF100mm F2.8 L Macro is USM Lens, MediumSony FE

Overview of the Canon RF100mm F2.8 L Macro and Sony FE 40mm f/2.5 G

The Canon RF100mm F2.8 L Macro is priced at $1,248.95, while the Sony FE 40mm f/2.5 G is significantly cheaper at $798.00, making it about 36% less expensive. Both lenses cater to different photography needs, with the Canon lens specializing in macro photography and the Sony lens providing versatility in a compact form. This article will delve into the specifications, features, and performance of each lens to help you decide which suits your photography style better.

Build and Design

The Canon RF100mm F2.8 L Macro is designed for full-frame EOS R series cameras, showcasing a robust build that is characteristic of Canon's L-series lenses. It features an optical image stabilizer that compensates for camera shake, which is crucial for macro photography. In contrast, the Sony FE 40mm f/2.5 G is ultra-compact and lightweight, making it an ideal choice for travel and everyday use. Its aluminum exterior not only ensures durability but also adds a touch of premium quality. While the Canon lens is heavier and bulkier, it’s built for specialized macro work, whereas the Sony lens emphasizes portability and ease of use.

Image Quality

When it comes to image quality, the Canon RF100mm F2.8 L Macro is engineered to deliver high image quality with a maximum magnification of 1.4x, which is beneficial for capturing intricate details in macro shots. The lens also features a fixed f/2.8 aperture, allowing for excellent control over depth of field and beautiful bokeh effects. On the other hand, the Sony FE 40mm f/2.5 G utilizes three aspheric elements that contribute to sharpness across the frame, ensuring corner-to-corner clarity. While both lenses produce stunning images, the Canon lens excels in macro photography, while the Sony offers versatility for general photography.

Aperture Performance

The Canon RF100mm F2.8 L Macro lens has a maximum aperture of f/2.8, which provides decent low-light performance and allows for a pleasing background blur. The hybrid IS system helps maintain stability during close-up shooting, making it effective in challenging lighting conditions. Conversely, the Sony FE 40mm f/2.5 G has a slightly wider maximum aperture of f/2.5, which can be advantageous in low-light situations and for achieving a shallower depth of field. This slight difference gives the Sony lens an edge for general photography, especially in situations where quick adjustments are necessary.

Autofocus Capabilities

Both lenses feature advanced autofocus systems, but they cater to different needs. The Canon RF100mm F2.8 L Macro is designed with fast and precise autofocus that is particularly useful for macro shots, where focus can be critical. The lens's design helps to minimize focus errors, ensuring that the subject is sharp even at close distances. The Sony FE 40mm f/2.5 G also offers quick and accurate autofocus, making it suitable for a variety of shooting scenarios, from street photography to portraits. While both lenses perform well in autofocus, the Canon lens is tailored for the demands of macro photography.

Versatility in Use

The Canon RF100mm F2.8 L Macro lens is specifically designed for macro and portrait photography, making it less versatile for other types of shooting. Its fixed focal length of 100mm is ideal for capturing finely detailed close-ups but can be limiting for broader scenes. In contrast, the Sony FE 40mm f/2.5 G lens is a prime lens that is exceptionally versatile, suitable for both full-frame and APS-C cameras. Its compact size and lightweight design make it easy to carry around, making it an excellent choice for everyday photography. For photographers who need a lens that can handle various shooting situations, the Sony lens stands out.

Price Comparison

The price difference between the two lenses is substantial, with the Canon RF100mm F2.8 L Macro priced at $1,248.95 and the Sony FE 40mm f/2.5 G at $798.00. This means the Canon lens is about 56% more expensive than the Sony lens. Given the specialized features of the Canon lens, such as its macro capabilities and image stabilization, the higher price can be justified for dedicated macro photographers. However, for those seeking a more general-purpose lens without breaking the bank, the Sony lens represents a cost-effective option.

Ideal Users

The Canon RF100mm F2.8 L Macro lens is ideal for professional photographers who focus on macro photography or those who require high-quality portrait lenses. Its advanced features cater specifically to these needs, making it a worthy investment for serious creatives. Meanwhile, the Sony FE 40mm f/2.5 G lens is perfect for enthusiasts and casual photographers looking for a lightweight, versatile lens that can perform well in a variety of situations, including travel and street photography. Each lens appeals to different segments of the photography community based on their unique features and pricing.

Which should you buy?

Ultimately, the choice between the Canon RF100mm F2.8 L Macro and the Sony FE 40mm f/2.5 G depends on your specific photography needs and budget. If you are focused on macro photography and require advanced features like high magnification and image stabilization, the Canon lens is worth the investment. However, if you are looking for a more versatile, lightweight lens that is easier on the wallet, the Sony lens is an excellent choice. Each lens has its strengths, making it important to consider your primary photography style before making a decision.