Canon RF-S18- vs Tamron 150-
Updated July 2026 — Tamron 150- leads on price and zoom range.
The Canon RF-S18-150mm is a versatile and affordable lens ideal for everyday photography, while the Tamron 150-500mm excels in ultra-telephoto capabilities for serious wildlife and sports photographers.
Why Canon RF-S18- is better
Price
Canon is significantly cheaper at $569.
Portability
Canon is lighter and more compact.
Versatility
Canon covers a useful zoom range for everyday use.
Why Tamron 150- is better
Zoom Range
Tamron offers a much longer focal length up to 500mm.
Autofocus
Tamron has high-speed, high-precision autofocus.
Image Quality
Tamron maintains high image quality throughout the zoom range.
Overall score
Specifications
| Spec | Canon RF-S18- | Tamron 150- |
|---|---|---|
| Focal Length | 18-150mm | 150-500mm |
| Aperture | F3.5-6.3 | F5-6.7 |
| Stabilization | 4.5 stops | VC |
| Motor Type | STM | VXD |
| Compatibility | APS-C | Full Frame |
Dimension comparison
Overview of the Canon RF-S18-150mm and Tamron 150-500mm
The Canon RF-S18-150mm is priced at $569.00, while the Tamron 150-500mm comes in at $1,199.00, making the Canon about 52% cheaper than the Tamron. This significant price difference reflects the distinct market segments these lenses target. The Canon lens is designed for APS-C cameras with an RF mount, offering a versatile zoom range ideal for everyday photography. In contrast, the Tamron lens is aimed at full-frame Sony mirrorless cameras, providing an extensive focal length that reaches up to 500mm. Each product caters to different user needs, making the choice dependent on specific photographic requirements.
Intended Use and Versatility
The Canon RF-S18-150mm lens is perfect for creative photography and videography, covering a zoom range from standard to telephoto. Its 18-150mm range is ideal for landscapes, portraits, and casual shooting, making it an all-around lens for everyday use. On the other hand, the Tamron 150-500mm lens excels in ultra-telephoto situations, allowing users to capture distant subjects with exceptional clarity. Its 150-500mm zoom range, which translates to approximately 225-750mm on APS-C cameras, is particularly suited for wildlife and sports photography, where distance is often a factor.
Image Stabilization Technology
When it comes to image stabilization, the Canon RF-S18-150mm features in-lens optical image stabilization that provides up to 4.5 stops of shake correction, and when paired with EOS R series cameras equipped with In-Body Image Stabilizer (IBIS), it can achieve up to 6.5 stops. This technology is crucial for capturing sharp images in low-light conditions or while shooting handheld. Conversely, the Tamron 150-500mm incorporates its proprietary VC (Vibration Compensation) mechanism, which also aids in stabilizing images at the 500mm telephoto position. Both lenses offer impressive stabilization, but the Canon lens offers slightly more versatility with its compatibility with IBIS.
Autofocus Performance
Autofocus capability is essential for both lenses, and they each bring their strengths to the table. The Canon RF-S18-150mm features a lead screw-type stepping motor (STM), which provides smooth and quiet autofocusing, making it an excellent choice for video work where audio quality is paramount. In contrast, the Tamron 150-500mm uses VXD (Voice-coil eXtreme-torque Drive), a linear motor focus mechanism that delivers high-speed and high-precision autofocus. This means the Tamron lens is especially effective for capturing fast-moving subjects, giving it an edge in action photography.
Build Quality and Portability
Portability is a significant factor for many photographers, and the Canon RF-S18-150mm is designed with travel in mind. Weighing less and featuring a compact design, it is easier to carry around for extended periods. On the other hand, while the Tamron 150-500mm is also compact for a lens of its class, it is inherently larger and heavier due to its extensive zoom range and full-frame compatibility. Thus, for photographers who prioritize lightweight gear for mobility, the Canon lens is the more suitable option.
Pricing and Value for Money
With a current price of $569.00, the Canon RF-S18-150mm offers excellent value for photographers seeking a versatile lens without breaking the bank. In contrast, the Tamron 150-500mm is priced at $1,199.00, which reflects its advanced features and capabilities for serious photographers. While the Tamron offers high-quality optics and a broader zoom range, the significant price difference may deter casual users. Consequently, the Canon lens presents a more accessible option for those who want quality without a hefty investment.
User Experience and Compatibility
The Canon RF-S18-150mm is specifically designed for APS-C cameras with the RF mount, which means it will automatically enable the 1.6x crop mode when used on full-frame EOS R-series cameras. This feature enhances compatibility and usability, allowing for seamless transitions between camera systems. The Tamron 150-500mm, while intended for full-frame Sony mirrorless cameras, also performs well on APS-C systems, but users should consider that its extensive zoom range can be challenging for beginners. Ultimately, both lenses cater to different user experiences, but the Canon lens may be more forgiving for those new to photography.
Which should you buy?
Choosing between the Canon RF-S18-150mm and the Tamron 150-500mm largely depends on your photographic needs and budget. If you are an everyday photographer looking for versatility at a lower price point, the Canon lens is a fantastic choice, offering a well-rounded zoom range and excellent stabilization. However, if you specialize in wildlife or sports photography and require the reach that a 500mm lens provides, the Tamron is worth the investment for its superior telephoto capabilities and advanced autofocus system. Ultimately, both lenses shine in their respective categories, allowing users to make a choice based on their specific photography requirements.

