Canon RF-S18- vs Canon RF70-
Updated July 2026 — Canon RF-S18- wins on aperture, Canon RF70- wins on price and zoom range.
The Canon RF-S18-150mm is a versatile and budget-friendly lens, while the RF70-200mm offers superior performance for professionals. Choose based on your photography needs.
Why Canon RF-S18- is better
Price
RF-S18-150mm is significantly cheaper.
Versatility
Covers a wider zoom range.
Weight
Lighter and more portable.
Why Canon RF70- is better
Aperture
Brighter f/2.8 aperture.
Image Stabilization
5 stops vs 4.5 stops.
Autofocus
Faster dual Nano USM technology.
Overall score
Specifications
| Spec | Canon RF-S18- | Canon RF70- |
|---|---|---|
| Focal Length | 18-150mm | 70-200mm |
| Max Aperture | f/6.3 | f/2.8 |
| IS Stops | 4.5 | 5 |
| Autofocus | STM | Nano USM |
| Compatibility | APS-C | Full Frame |
Dimension comparison
Overview of the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens
The Canon RF-S18-150mm F3.5-6.3 Telephoto Lens is priced at $569.00, making it a more budget-friendly option compared to its counterpart. This lens is specifically designed for APS-C cameras and offers a versatile zoom range from 18mm to 150mm, making it suitable for various photography styles, from landscapes to portraits. Its compact design and lightweight nature enhance portability, which is ideal for photographers on the go. Additionally, it features in-lens optical image stabilization, providing up to 4.5 stops of shake correction, and even more when paired with certain EOS R series cameras.
Overview of the Canon RF70-200mm F2.8 L is USM Lens
On the other hand, the Canon RF70-200mm F2.8 L is USM Lens comes with a significantly higher price tag of $2,799.00. This lens offers a bright f/2.8 aperture and a telephoto zoom range of 70mm to 200mm, making it particularly suited for portrait, sports, and wildlife photography. With its optical image stabilization providing up to 5 stops of shake correction, the RF70-200mm lens excels in low-light conditions. Its compact and lightweight design is complemented by a dust- and weather-resistant construction, enhancing its durability for outdoor shooting.
Image Stabilization Capabilities
When it comes to image stabilization, the RF70-200mm f2.8 lens has an edge, offering up to 5 stops of shake correction compared to the RF-S18-150mm's 4.5 stops. This extra level of stabilization can make a noticeable difference in achieving sharper images, especially when shooting in low-light conditions or at longer focal lengths. The RF-S18-150mm also features dynamic IS, which is beneficial for shooting in motion during video recording, but the overall effectiveness of stabilization in the RF70-200mm lens positions it as a superior choice for serious photographers who require high performance.
Autofocus Performance
Autofocus is another critical area where these two lenses differ. The RF-S18-150mm incorporates a lead screw-type STM (Stepping Motor), which is designed to provide smooth and quiet autofocus, particularly advantageous for video shooting. In contrast, the RF70-200mm lens employs dual Nano USM technology, known for its high-speed, smooth, and virtually silent autofocus performance. This makes the RF70-200mm particularly appealing for fast-paced photography scenarios, such as sports or wildlife, where quick focus adjustments are essential.
Versatility in Photography
The RF-S18-150mm lens shines in its versatility, covering a range from standard-angle to telephoto in one compact design. With a zoom range that spans 18-150mm, it is well-suited for various photography genres, making it an excellent all-around lens for casual and hobbyist photographers. On the other hand, while the RF70-200mm lens is limited to a 70-200mm range, its bright f/2.8 aperture allows for exceptional subject isolation and bokeh, making it ideal for portrait photography. Although the RF70-200mm is more specialized, its high image quality and performance justify its use in professional settings.
Build Quality and Design
In terms of build quality, the RF70-200mm is constructed with a dust- and weather-resistant design, enhancing its durability for outdoor use. This feature is particularly important for photographers who frequently shoot in challenging environments. Conversely, the RF-S18-150mm lens, while lightweight and compact, does not emphasize weather sealing, which may limit its usability in adverse conditions. The robust construction of the RF70-200mm assures users that it can withstand rigorous use, making it a long-term investment for serious photographers.
Price Comparison
The price difference between these two lenses is substantial, with the RF-S18-150mm priced at $569.00 and the RF70-200mm at $2,799.00. This marks the RF70-200mm as approximately 392% more expensive than the RF-S18-150mm. For photographers on a budget or those just starting with mirrorless cameras, the RF-S18-150mm offers significant value without compromising on essential features. However, for professionals seeking premium performance and versatility in a telephoto lens, the investment in the RF70-200mm may be justified by its superior optical quality and advanced features.
Which should you buy?
Choosing between the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens and the Canon RF70-200mm F2.8 L is USM Lens largely depends on your specific photography needs and budget. If you're looking for a versatile, budget-friendly option perfect for a range of scenarios, the RF-S18-150mm is a fantastic choice. However, if you require a high-performance lens for professional-grade photography, particularly for portrait or action shots, the RF70-200mm's superior image stabilization, autofocus performance, and build quality make it the clear winner. Ultimately, both lenses serve their purpose well but cater to different levels of expertise and investment in photography.

