Canon RF28- vs Sony SEL2470GM2 FE 24-
Updated July 2026 — Canon RF28- wins on weight and aperture, Sony SEL2470GM2 FE 24- wins on price and size.
The Canon RF28-70mm F2 L USM Lens excels in low-light performance and build quality, while the Sony SEL2470GM2 offers a more affordable and lightweight option with advanced autofocus capabilities.
Why Canon RF28- is better
Aperture
Canon has a brighter f/2 aperture for low-light shooting.
Build Quality
Canon's lens is more robust and weather-resistant.
Image Control
Canon allows for better subject isolation with its f/2 aperture.
Why Sony SEL2470GM2 FE 24- is better
Price
Sony is significantly cheaper at $2,448.
Weight
Sony is lighter, making it more portable.
Autofocus
Sony features advanced autofocus technology for fast tracking.
Overall score
Specifications
| Spec | Canon RF28- | Sony SEL2470GM2 FE 24- |
|---|---|---|
| Max Aperture | f/2 | f/2.8 |
| Weight | 2.5 lbs | 1.5 lbs |
| Weather Sealing | Yes | No |
| Focusing System | 12-pin | XD Motors |
| Zoom Range | 28-70mm | 24-70mm |
Dimension comparison
Overview of the Canon RF28-70mm F2 L USM Lens
The Canon RF28-70mm F2 L USM Lens is a high-performance zoom lens designed specifically for EOS R series mirrorless cameras. It features a constant maximum aperture of f/2, which allows photographers to achieve excellent low-light performance and creative depth of field control. Priced at $3,399.00, it is positioned as a premium option for serious photographers seeking versatility and quality in one package.
The lens is built with professional-grade materials and features a robust design that is dust- and water-resistant, adorned with a fluorine coating to protect against the elements. This attention to durability makes it an ideal choice for outdoor shooting, where conditions may be less than ideal. Additionally, the lens includes a control ring for easy adjustments, enhancing user experience.
Overview of the Sony SEL2470GM2 FE 24-70mm f/2.8 GM II Lens
The Sony SEL2470GM2 FE 24-70mm f/2.8 GM II Lens offers a constant aperture of f/2.8 and is designed for full-frame cameras, providing exceptional resolution and aesthetic bokeh. Priced at $2,448.00, this lens is about 28% cheaper than the Canon RF28-70mm, making it a more accessible option for both professional and enthusiast photographers.
This lens boasts a lightweight design, weighing just 24.6 ounces, and is the smallest and lightest in its class. This reduction in weight and size enhances portability, making it a great option for those who travel or shoot on location frequently. The lens also incorporates advanced autofocus technologies, resulting in fast and precise focusing, ideal for both stills and video work.
Image Quality Comparison
Both lenses are designed to deliver high-quality images, but they cater to slightly different needs. The Canon RF28-70mm F2 L USM Lens features a bright f/2 maximum aperture, which excels in low-light conditions and allows for more creative control over depth of field. This can be particularly beneficial for portrait photography or any situation where subject isolation is key.
In contrast, the Sony SEL2470GM2 maintains excellent image quality, even at its f/2.8 aperture, thanks to its advanced optical design that includes two high-precision XA elements and a floating focus mechanism. This ensures sharp and clear images across the zoom range. While f/2.8 is slightly less bright than f/2, many photographers find it sufficient for a variety of shooting conditions, particularly with its superior autofocus capabilities.
Autofocus Performance
Autofocus performance is a critical consideration for any lens, especially for those who shoot fast-moving subjects. The Canon RF28-70mm F2 L USM Lens employs a 12-pin communication system that enhances autofocus speed and accuracy. However, it does not specify unique features that could set it apart in terms of autofocus performance.
On the other hand, the Sony SEL2470GM2 shines with its four XD linear motors, which allow for fast, precise, and quiet autofocus, making it highly effective for both photography and videography. The lens can shoot at up to 30 frames per second with compatible camera bodies, which is a significant advantage for capturing fast action. This performance can be a deciding factor for users who prioritize speed and accuracy in their shooting.
Build Quality and Design
Build quality is paramount in professional lenses, and both the Canon RF28-70mm and Sony SEL2470GM2 exhibit high standards. The Canon lens features a dust- and water-resistant design with a fluorine coating, making it suitable for rugged environments. Its construction reflects Canon's L-series lineage, known for its durability and reliability.
Conversely, the Sony lens, while also expertly built, emphasizes lightweight design without sacrificing sturdiness. Its compact size and reduced weight (over 20% lighter than its predecessor) make it an exceptional choice for users who require mobility without compromising quality. Both lenses are designed to withstand the rigors of professional use, but their intended applications may appeal to different photographers.
Price Consideration
When considering price, the Canon RF28-70mm F2 L USM Lens is priced at $3,399.00, making it a premium investment. In contrast, the Sony SEL2470GM2 is available for $2,448.00, representing a considerable savings of about $951, or roughly 28%. For photographers on a budget or those who are just starting out, the Sony lens may provide a more attractive option without significantly compromising on quality or features.
This price difference can be pivotal for many buyers, especially when considering additional costs associated with photography gear. The investment in a lens should align with one’s shooting style and frequency, and for many, the Sony lens offers a more balanced approach to performance and cost.
Use Cases
The Canon RF28-70mm F2 L USM Lens is ideal for portrait photographers and those who frequently shoot in low light. Its bright f/2 aperture allows for stunning subject isolation and bokeh, giving portraits a professional quality. The lens is also well-suited for event photography, where lighting conditions can vary dramatically.
On the other hand, the Sony SEL2470GM2 is versatile enough for a wider range of applications, including landscape, travel, and videography. Its lightweight design and excellent autofocus make it suitable for dynamic shooting environments and fast-paced situations. Whether capturing stills or shooting video, this lens adapts well to various styles and needs.
Which should you buy?
Choosing between the Canon RF28-70mm F2 L USM Lens and the Sony SEL2470GM2 largely depends on your specific needs and budget. The Canon lens offers superior low-light performance and build quality, making it an excellent choice for portrait and professional photographers who value depth of field and subject isolation. However, it comes at a premium price.
Alternatively, the Sony lens provides a more affordable option with remarkable autofocus capabilities and a lightweight design, making it ideal for travel and diverse shooting scenarios. Ultimately, your decision should align with your shooting style, camera system, and budget considerations.

