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Canon RF100mm F2.8 L Macro is USM Lens, Medium vs Sigma 28-

Updated July 2026 — Canon RF100mm F2.8 L Macro is USM Lens, Medium wins on price and macro, Sigma 28- wins on versatility.

The Canon RF100mm F2.8 L Macro is a premium choice for macro photography, while the Sigma 28-70mm offers versatility at a lower price.

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

Macro Capability

World’s first medium telephoto macro lens with 1.4x magnification

Image Stabilization

Hybrid IS system for stable close-up shots

Bokeh Control

Spherical aberration control ring for creative effects

Why Sigma 28- is better

Price

$859.95 is significantly cheaper than $1,248.95

Weight

Lightweight and compact design for everyday use

Versatility

Standard zoom range suitable for various photography styles

Overall score

Canon RF100mm F2.8 L Macro is USM Lens, Medium
88
Sigma 28-
76

Specifications

SpecCanon RF100mm F2.8 L Macro is USM Lens, MediumSigma 28-
Aperturef/2.8f/2.8
Focal Length100mm28-70mm
Max Magnification1.4xN/A
IS SystemHybrid ISNone
Focus TypeAutofocusInternal Focusing

Dimension comparison

Canon RF100mm F2.8 L Macro is USM Lens, MediumSigma 28-

Overview

The Canon RF100mm F2.8 L Macro is USM Lens and the Sigma 28-70mm F2.8 DG DN for Sony E represent two distinct offerings in the camera lens market, each catering to different shooting styles and requirements. The Canon lens is priced at $1,248.95, making it a premium option, while the Sigma lens is more budget-friendly at $859.95, which is about 31% cheaper. Understanding their features will help potential buyers determine which lens aligns better with their photography needs.

Design and Build Quality

The Canon RF100mm F2.8 has a robust design tailored for full-frame EOS R series cameras, emphasizing durability and performance in macro photography. Its optical image stabilization and hybrid IS system enhance usability in challenging shooting conditions. On the other hand, the Sigma 28-70mm is noted for its lightweight and compact body, making it an excellent choice for everyday shooting. Both lenses boast superb build quality, but their intended uses differ significantly, with Canon focusing on macro capabilities and Sigma emphasizing versatility in a standard zoom.

Optical Performance

The Canon lens stands out as the world’s first medium telephoto macro lens with a maximum magnification of 1.4x, delivering high image quality and a bright f/2.8 aperture. This makes it particularly effective for close-up shots and portraiture, allowing for creative effects like soft focus backgrounds. Conversely, the Sigma lens, while offering a standard zoom range from 28mm to 70mm, also maintains a constant f/2.8 aperture throughout. This results in excellent image quality comparable to higher-end Art line lenses, making it suitable for a range of photographic scenarios.

Features and Functionality

The Canon RF100mm includes innovative features such as a spherical aberration control ring, which allows photographers to adjust the character of foreground and background bokeh. This lens also supports advanced autofocus, which is critical for capturing detailed macro images. In contrast, the Sigma 28-70mm lens includes an internal focusing mechanism and a focus mode switch, enhancing its usability for various shooting situations. The nano porous coating on the Sigma lens helps to reduce flare and ghosting, contributing to its overall image quality.

Price Comparison

When considering price, the Sigma 28-70mm is significantly more accessible at $859.95 compared to the Canon RF100mm's $1,248.95. This price difference of approximately $389 makes the Sigma lens an appealing option for budget-conscious photographers who still seek high-quality performance. While the Canon lens justifies its price with specialized macro capabilities and advanced features, the Sigma lens offers a versatile zoom range at a fraction of the cost, appealing to a broader audience.

Target Audience

The Canon RF100mm is designed for photographers who specialize in macro photography or portraiture, offering capabilities that enhance artistic expression in those fields. Its advanced features cater to professionals and serious enthusiasts who demand high precision and control. On the other hand, the Sigma 28-70mm is ideal for everyday photographers looking for a reliable and versatile lens for various situations, from landscapes to portraits. Its lighter build and ease of use make it suitable for casual shooting.

User Experience

Photographers using the Canon RF100mm often praise its sharpness, especially in macro applications where detail is paramount. The hybrid IS system significantly aids in stabilizing shots, making it easier to capture intricate close-ups without blur. Conversely, users of the Sigma 28-70mm highlight its lightweight design and excellent optical performance, making it a comfortable choice for extended shooting sessions. Both lenses receive positive feedback, but their user experiences differ based on the intended photography style.

Which should you buy?

Choosing between the Canon RF100mm F2.8 L Macro is USM Lens and the Sigma 28-70mm F2.8 DG DN for Sony E largely depends on your photographic needs and budget. If you're focused on macro photography and desire specialized features, the Canon lens is worth the investment despite its higher price. However, if you require a versatile lens for a variety of shooting scenarios at a lower cost, the Sigma lens offers excellent value and performance. Ultimately, both lenses are outstanding in their respective categories, making the decision a matter of personal preference and use case.