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Canon RF100- vs Tamron 28-200 F/2.8-5.6 Di III RXD for Sony

Updated July 2026 — Canon RF100- wins on price and length, Tamron 28-200 F/2.8-5.6 Di III RXD for Sony wins on aperture.

The Canon RF100-500mm offers superior performance for specialized photography, while the Tamron 28-200 provides versatility and affordability for casual shooters.

Why Canon RF100- is better

Image Quality

Canon lens has advanced optics for better detail.

Autofocus

Canon features faster and more accurate autofocus.

Build Quality

Canon is more durable and weather-resistant.

Why Tamron 28-200 F/2.8-5.6 Di III RXD for Sony is better

Price

Tamron is significantly more affordable.

Weight

Tamron is lighter and more portable.

Versatility

Tamron covers a wider focal range.

Overall score

Canon RF100-
90
Tamron 28-200 F/2.8-5.6 Di III RXD for Sony
70

Specifications

SpecCanon RF100-Tamron 28-200 F/2.8-5.6 Di III RXD for Sony
Max ApertureF4.5-7.1F2.8-5.6
Image StabilizationYesYes
Focal Length100-500mm28-200mm
Autofocus TypeDual Nano USMRXD Stepping Motor
Weather SealingYesYes

Dimension comparison

Canon RF100-Tamron 28-200 F/2.8-5.6 Di III RXD for Sony

Overview

When comparing the Canon RF100-500mm F4.5-7.1 L IS USM Lens with the Tamron 28-200 F2.8-5.6 Di III RXD, it is essential to consider their unique features and target audiences. The Canon lens, priced at $2,898.95, is designed for specialized photography, such as sports and wildlife, while the Tamron lens, at $699.00, is an all-in-one solution for everyday photography needs. The significant price difference reflects their intended uses and capabilities.

Target Audience

The Canon RF100-500mm is tailored for photographers who require precision and versatility in challenging environments. Its super-telephoto capabilities and high-performance L-series construction make it ideal for sports, wildlife, and aviation photographers. In contrast, the Tamron 28-200 is perfect for casual shooters and travelers looking for a lightweight, versatile lens that can handle various situations, from landscapes to portraits. This makes the Tamron lens more accessible to hobbyists who may not need the advanced features of the Canon lens.

Image Quality

The Canon RF100-500mm is engineered for exceptional image quality, featuring a combination of one Super UD and six UD lenses that enhance resolving power. This lens also boasts up to 5 stops of optical image stabilization, which ensures sharp images even in dynamic shooting conditions. Meanwhile, the Tamron 28-200 focuses on practicality and convenience, offering a fast F2.8-5.6 aperture that allows for decent low-light performance. While both lenses deliver quality images, the Canon lens is more suitable for capturing fine details at long distances.

Build Quality and Durability

In terms of build quality, the Canon RF100-500mm excels with its dust and weather-resistant construction, which is crucial for outdoor photographers who often face unpredictable conditions. The lens also features fluorine-coated elements to resist dirt and moisture. The Tamron 28-200, while also moisture-resistant, is primarily designed for portability and ease of use. Weighing only 20.3 ounces and measuring 4.6 inches, it is more compact but may not withstand harsh conditions as effectively as the Canon lens.

Autofocus Performance

The autofocus capabilities of these lenses differ significantly. The Canon RF100-500mm is equipped with Dual Nano USM technology, which provides high-speed, smooth, and quiet autofocus. This is particularly beneficial for wildlife and sports photography, where precise focus is crucial. On the other hand, the Tamron 28-200 features an RXD stepping motor that is exceptionally quiet but may not match the speed and accuracy of the Canon's autofocus system. For photographers prioritizing fast and reliable autofocus, the Canon lens will likely be the better choice.

Versatility

Versatility is a strong point for the Tamron 28-200, which is designed to cover a broad range of focal lengths from 28mm to 200mm. This makes it an excellent all-in-one solution for various photography styles, from wide-angle landscapes to close-up shots. The Canon RF100-500mm, while versatile in its own right, is specifically a super-telephoto zoom lens, making it less adaptable for everyday photography. If you prefer a lens that can handle different scenarios effortlessly, the Tamron lens is more suitable.

Price Comparison

The price difference between these two lenses is significant, with the Canon RF100-500mm retailing for $2,898.95, while the Tamron 28-200 is priced at $699.00. This means the Canon lens is approximately 315% more expensive than the Tamron lens. For photographers on a budget or those who do not require the specialized features of the Canon lens, the Tamron offers a compelling alternative without compromising too much on quality.

Which should you buy?

Ultimately, the choice between the Canon RF100-500mm and the Tamron 28-200 depends on your specific photography needs. If you are a professional or serious enthusiast focused on wildlife or sports photography and require a high-performance lens with superior image quality and autofocus, the Canon RF100-500mm is worth the investment. However, if you are a casual photographer seeking a lightweight, versatile lens for a variety of shooting situations, the Tamron 28-200 presents a more affordable and practical option. Consider your budget and shooting requirements carefully before making your decision.