Canon EF-S 10- vs Canon RF-S18-
Updated July 2026 — Canon EF-S 10- wins on price, Canon RF-S18- wins on weight and zoom.
The Canon RF-S18-150mm lens offers greater versatility and advanced stabilization features, making it the better choice for diverse photography needs.
Why Canon EF-S 10- is better
Price
EF-S 10-18mm is cheaper by 17%
Weight
EF-S 10-18mm is more portable
Wide Angle
EF-S 10-18mm excels in ultra-wide shots
Why Canon RF-S18- is better
Zoom Range
RF-S18-150mm covers 18-150mm
Stabilization
RF-S18-150mm offers up to 6.5 stops
Versatility
RF-S18-150mm suitable for various styles
Overall score
Specifications
| Spec | Canon EF-S 10- | Canon RF-S18- |
|---|---|---|
| Focal Length | 10-18mm | 18-150mm |
| Aperture | f/4.5-5.6 | f/3.5-6.3 |
| Stabilization | 4 stops | 4.5-6.5 stops |
| Motor Type | Stepping | Lead screw STM |
| Compatibility | APS-C | APS-C/RF mount |
Dimension comparison
Overview of the Canon EF-S 10-18mm f/4.5-5.6 is STM Lens
The Canon EF-S 10-18mm f/4.5-5.6 is STM Lens is priced at $349.00 and offers an ultra-wide angle of view, making it an ideal choice for landscape and architectural photography. This lens is designed for EOS cameras with an APS-C sensor, allowing photographers to capture expansive scenes in a compact and portable package. With features like a stepping motor for quiet video recording and an optical image stabilizer, this lens aims to provide high-quality images even in challenging conditions.
Overview of the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens
In contrast, the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens is available for $569.00, making it about 63% more expensive than the EF-S 10-18mm lens. This lens offers a versatile zoom range from standard-angle to telephoto, covering 18-150mm, which makes it suitable for a variety of photography styles, including portraits, landscapes, and sports. With advanced image stabilization features and a lead screw-type stepping motor, this lens ensures smooth focus and minimal noise during video shooting.
Image Quality Comparison
When it comes to image quality, both lenses are engineered with advanced optical technology. The EF-S 10-18mm lens features a large-diameter element, an aspherical lens element, and a UD lens element, aimed at minimizing glare and aberration while maximizing contrast and resolution. This design allows for high-quality images even in low-light situations. On the other hand, the RF-S18-150mm lens excels with its in-lens optical image stabilization, promising up to 4.5 stops of shake correction. When paired with certain EOS R series cameras, it can achieve up to 6.5 stops of correction, resulting in sharper images under difficult conditions.
Autofocus and Performance
The autofocus performance differs significantly between the two lenses. The EF-S 10-18mm lens is equipped with a stepping motor that allows for noise-free video shooting, making it ideal for filmmakers. It also offers full-time manual focus for quick adjustments, which enhances its usability in dynamic shooting environments. Conversely, the RF-S18-150mm lens features a lead screw-type STM that provides smooth autofocus, especially beneficial for capturing videos where quiet operation is an asset. Both lenses are designed for quick focus, but the RF-S18-150mm may have an edge in versatility due to its broader zoom range.
Build and Design
In terms of build and design, the EF-S 10-18mm lens is compact and lightweight, making it convenient for travel and everyday photography. This lens’s design focuses on providing a wide field of view while maintaining portability. The RF-S18-150mm lens, while slightly bulkier, offers a robust build that is suited for various shooting conditions. Its design incorporates features that enhance stability and ease of use, particularly for videography. The difference in size and weight may influence your choice depending on your shooting style and preferences.
Compatibility and Usability
Compatibility is another factor to consider when choosing between these two lenses. The EF-S 10-18mm lens is specifically designed for Canon APS-C cameras, while the RF-S18-150mm lens is tailored for APS-C cameras with the RF mount. Furthermore, the RF-S18-150mm lens automatically crops when mounted on full-frame EOS R-series cameras, adding to its versatility. If you own a full-frame camera and might consider transitioning to APS-C, the RF-S18-150mm could be the more future-proof option.
Price and Value
The price difference between the two lenses is significant, with the EF-S 10-18mm lens retailing at $349.00 and the RF-S18-150mm lens at $569.00. This means that the EF-S 10-18mm is about 17% cheaper. While the lower price makes the EF-S lens more accessible, the RF-S18-150mm lens offers a wider zoom range and advanced stabilization features that may justify its higher price for some users. Ultimately, the value of each lens depends on your specific photography needs and budget.
Which should you buy?
In conclusion, the choice between the Canon EF-S 10-18mm f/4.5-5.6 is STM Lens and the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens boils down to your individual photography requirements. If you prioritize ultra-wide-angle shots, travel-friendly design, and a lower price, the EF-S 10-18mm lens is a solid choice. However, if you seek versatility with a broader zoom range and advanced image stabilization for various shooting scenarios, the RF-S18-150mm lens may be worth the additional investment. Consider your shooting style, camera system, and budget to make the best decision.

