Canon RF28- vs Tamron 150-
Updated July 2026 — Canon RF28- wins on aperture and weight, Tamron 150- wins on focal length and stabilization.
The Canon RF28-70mm F2.8 is STM offers better low-light performance and versatility, while the Tamron 150-500mm excels in long-distance shooting.
Why Canon RF28- is better
Low Light
Constant f/2.8 aperture for better low-light performance
Weight
Lighter and more compact design for everyday carry
Versatility
More versatile for various photography styles
Why Tamron 150- is better
Focal Length
Extended reach up to 500mm for distant subjects
Image Stabilization
VC mechanism for better stabilization at long distances
Close-ups
Better for capturing wildlife and sports from afar
Overall score
Specifications
| Spec | Canon RF28- | Tamron 150- |
|---|---|---|
| Price | $1098.95 | $1199.00 |
| Max Aperture | f/2.8 | f/5-6.7 |
| Image Stabilization | Yes | Yes |
| Focal Length | 28-70mm | 150-500mm |
| Weight | 1.1 lbs | 3.2 lbs |
Dimension comparison
Introduction to the Lenses
When it comes to selecting the right lens for your photography needs, understanding the differences between options is crucial. In this comparison, we will delve into the features, specifications, and overall value of the Canon RF28-70mm F2.8 is STM and the Tamron 150-500mm f/5-6.7 Di III VC VXD Lens. With price points of $1,098.95 and $1,199.00 respectively, the decision may come down to your specific photography style and requirements.
Build and Design
The Canon RF28-70mm F2.8 is STM offers a compact and lightweight design, making it an excellent choice for everyday carry. Weighing just over one pound, this lens is designed for convenience without compromising image quality. On the other hand, the Tamron 150-500mm f/5-6.7 is a full-frame ultra-telephoto lens that, while featuring a compact design for its category, is still bulkier due to its extended focal length range. The choice here will depend on whether you prioritize portability or the ability to shoot at greater distances.
Aperture and Low Light Performance
The Canon RF28-70mm maintains a constant f/2.8 aperture throughout its zoom range, allowing photographers to capture images in low light settings while also achieving beautiful background blur. This feature is especially beneficial for portrait and event photography. In contrast, the Tamron 150-500mm has a variable aperture ranging from f/5 to f/6.7, which may limit its effectiveness in low-light situations, particularly at the longer focal lengths. If low-light performance is a significant factor for your shooting style, the Canon lens holds a clear advantage.
Versatility in Shooting Scenarios
While the Canon RF28-70mm is excellent for close-ups and general photography, the Tamron 150-500mm shines in scenarios requiring distance, such as wildlife and sports photography. With a focal length range that extends to 500mm, the Tamron allows for dramatic close-ups from a distance, making it versatile in capturing fast-moving subjects. However, this versatility comes at a higher price point of $1,199.00, compared to the Canon's $1,098.95, which is approximately 8% cheaper. Your choice may hinge on whether you need the added reach of the Tamron for specialized shoots.
Image Stabilization
Both lenses feature advanced image stabilization technologies, but they cater to different needs. The Canon RF28-70mm incorporates a newly designed Image Stabilization unit that complements its lightweight design, making handheld shooting smoother and more manageable. The Tamron 150-500mm, on the other hand, employs a VC (Vibration Compensation) mechanism that is crucial for handheld shooting at the ultra-telephoto end. If you frequently shoot in dynamic environments, the Tamron's stabilization might be more beneficial, especially when capturing subjects at 500mm.
Autofocus Performance
Autofocus is critical for any photographer, and both lenses offer high-speed, precision autofocus. The Canon RF28-70mm is designed to ensure that you never miss a shot, making it well-suited for fast-paced settings. In comparison, the Tamron 150-500mm features a VXD (Voice-coil eXtreme-torque Drive) for quiet and agile performance, ensuring that focusing on distant subjects is reliable and efficient. Depending on your shooting style—whether you are capturing stills or fast-moving action—one lens may be more appealing than the other.
Price Comparison
In terms of pricing, the Canon RF28-70mm is currently listed at $1,098.95, whereas the Tamron 150-500mm is priced at $1,199.00. This makes the Canon lens about 8% less expensive than its counterpart. If budget is a primary consideration, the Canon lens provides a strong value proposition, especially given its features and quality tailored toward both still and video content creators.
Target Audience
The Canon RF28-70mm is ideal for photographers who prioritize versatility and quality in a compact form factor. It caters to both still photographers and videographers, making it a great all-rounder for various scenarios. In contrast, the Tamron 150-500mm is specifically targeted toward those who require a powerful telephoto lens for wildlife, sports, or distant subjects. The choice between these lenses ultimately depends on your specific photography needs and the types of subjects you aim to capture.
Which should you buy?
In conclusion, the decision between the Canon RF28-70mm F2.8 is STM and the Tamron 150-500mm f/5-6.7 Di III VC VXD Lens boils down to your individual photography style. If you value a lightweight, versatile lens with excellent low-light performance, the Canon is the better choice, especially at a lower price point. However, if you require the extended reach and capabilities of an ultra-telephoto lens for capturing distant subjects, the Tamron may be worth the additional investment. Consider your needs carefully to select the lens that best fits your shooting requirements.

