Canon RF-S18- vs Tamron 28-200 F/2.8-5.6 Di III RXD for Sony
Updated July 2026 — Canon RF-S18- wins on stabilization and max aperture, Tamron 28-200 F/2.8-5.6 Di III RXD for Sony wins on zoom range and weight.
The Canon RF-S18-150mm offers great value and versatility for APS-C users, while the Tamron 28-200mm excels in low-light performance and build quality.
Why Canon RF-S18- is better
Price
Canon is $130 cheaper than Tamron.
Weight
Canon is lighter than Tamron.
Versatility
Canon is designed for APS-C cameras.
Why Tamron 28-200 F/2.8-5.6 Di III RXD for Sony is better
Aperture
Tamron has a wider maximum aperture of F2.8.
Zoom Range
Tamron offers a broader zoom range of 28-200mm.
Weather Resistance
Tamron features moisture-resistant construction.
Overall score
Specifications
| Spec | Canon RF-S18- | Tamron 28-200 F/2.8-5.6 Di III RXD for Sony |
|---|---|---|
| Brand | Canon | Tamron |
| Price | $569.00 | $699.00 |
| Image Stabilization | Yes | Yes |
| Autofocus Type | STM | RXD |
| Moisture Resistance | No | Yes |
Dimension comparison
Overview of the Canon RF-S18-150mm and Tamron 28-200mm
The Canon RF-S18-150mm F3.5-6.3 Telephoto Lens is priced at $569.00, while the Tamron 28-200 F2.8-5.6 comes in at $699.00, making the Canon lens about 17% cheaper. Both lenses cater to different photography needs, with the Canon lens designed for APS-C cameras and the Tamron lens aimed at full-frame mirrorless cameras. Understanding their features can help photographers choose the right tool for their creative endeavors.
Build and Design
The Canon RF-S18-150mm is designed with compactness in mind, making it a versatile option for photographers on the go. It seamlessly integrates with APS-C cameras and offers a zoom range that covers standard to telephoto perspectives. In contrast, the Tamron 28-200mm is also lightweight, weighing just 20.3 oz., and boasts a compact length of 4.6 inches, making it an excellent choice for those seeking mobility without compromising on performance. The design of both lenses reflects a balance of size and functionality, catering to different shooting styles.
Zoom Range and Versatility
The Canon RF-S18-150mm offers a zoom range of 18-150mm, covering standard angles to telephoto, making it ideal for various photographic scenarios. This lens is particularly well-suited for everyday use, from landscapes to portraits. The Tamron 28-200mm, with its range from 28mm to 200mm, provides an even broader scope, allowing photographers to capture wide-angle shots as well as distant subjects. This versatility makes the Tamron lens suitable for travel and nature photography, where dynamic scenes are common.
Aperture Performance
In terms of aperture, the Tamron 28-200mm outshines the Canon lens with a maximum aperture of F2.8 at the wide-angle end. This feature allows for better low-light performance and greater depth of field control, which is vital for creative photography. On the other hand, the Canon RF-S18-150mm has a maximum aperture of F3.5-6.3, which, while adequate for various conditions, may not perform as well in low-light situations compared to the Tamron. Thus, for those prioritizing low-light capabilities, the Tamron lens presents a significant advantage.
Autofocus and Image Stabilization
Autofocus performance is crucial for both lenses, especially in video recording. The Canon RF-S18-150mm features a lead screw-type stepping motor (STM) that provides smooth autofocusing, making it particularly effective for video with minimal background noise. Additionally, it offers in-lens optical image stabilization, correcting up to 4.5 stops of shake, and up to 6.5 stops when paired with compatible EOS R series cameras. The Tamron 28-200mm also includes an RXD stepping motor that ensures quiet operation, further enhancing its video capabilities. However, the lack of specific image stabilization details makes it less clear how it compares to the Canon in terms of shake correction.
Close-Up Performance
When it comes to close-up photography, the Tamron 28-200mm excels with its superior up-close shooting capabilities, achieving a minimum focusing distance of 7.5 inches at the wide-angle and 31.5 inches at the telephoto end. This makes it ideal for capturing fine details in subjects. In contrast, the Canon RF-S18-150mm does not specify its close-up performance, indicating that while it is versatile, it may not offer the same level of detail capture as the Tamron lens. For photographers interested in macro-style shots, the Tamron lens may be the more suitable option.
Weather Resistance and Durability
The Tamron 28-200mm lens features moisture-resistant construction and a fluorine coating, enhancing its durability in various shooting conditions. This aspect is particularly beneficial for outdoor photographers who may encounter unpredictable weather. The Canon RF-S18-150mm does not mention similar weatherproofing features, suggesting that it may not be as robust in challenging environments. For those who shoot in diverse conditions, the Tamron lens offers greater peace of mind.
Pricing and Value
The Canon RF-S18-150mm is priced at $569.00, making it a more budget-friendly option compared to the Tamron 28-200mm, which retails at $699.00. This price difference of $130 could be significant for photographers looking to maximize their investment without sacrificing quality. While both lenses offer unique features, the Canon lens provides excellent value for those focused on versatility and cost-effectiveness, especially in the APS-C market.
Which should you buy?
Choosing between the Canon RF-S18-150mm and the Tamron 28-200mm ultimately depends on your specific needs as a photographer. If you prioritize a more affordable option with good versatility for APS-C cameras, the Canon RF-S18-150mm is an excellent choice. However, if you require a lens with superior low-light performance, broader zoom range, and robust weather resistance, the Tamron 28-200mm justifies its higher price. Evaluate your photography style and requirements to make the best decision for your creative pursuits.

