Canon RF-S18- vs Canon RF75-
Updated July 2026 — Canon RF-S18- wins on stabilization and zoom range, Canon RF75- wins on weight and portability.
The Canon RF-S18-150mm offers superior versatility and image stabilization, while the RF75-300mm excels in portability and budget-friendliness.
Why Canon RF-S18- is better
Versatility
Broader zoom range of 18-150mm.
Image Stabilization
Up to 6.5 stops with IBIS.
Autofocus
Smooth and quiet STM for video.
Why Canon RF75- is better
Portability
Compact and lightweight design.
Price
Significantly cheaper at $239.
Included Accessories
Comes with UV filter and cleaning kit.
Overall score
Specifications
| Spec | Canon RF-S18- | Canon RF75- |
|---|---|---|
| Focal Length | 18-150mm | 75-300mm |
| Aperture | F3.5-6.3 | F4-5.6 |
| Autofocus | STM | Eye Detection |
| Image Stabilization | Yes | No |
| Compatibility | RF Mount | RF Mount |
Dimension comparison
Introduction to the Canon RF-S18-150mm and RF75-300mm Lenses
The Canon RF-S18-150mm F3.5-6.3 Telephoto Lens and the Canon RF75-300mm F4-5.6 Zoom Lens are both excellent options for photographers, but they cater to different needs. The RF-S18-150mm is priced at $569.00, while the RF75-300mm comes in at a more budget-friendly $239.00, making it about 58% cheaper. Understanding their unique features will help you determine which lens best suits your photographic style.
Design and Portability
When it comes to design and portability, the RF75-300mm stands out as a compact and lightweight option. Weighing approximately as much as a 500ml water bottle, it's designed for ease of transport, making it ideal for photographers on the go. In contrast, the RF-S18-150mm, while still manageable, may not offer the same level of portability due to its broader zoom range. The RF75-300mm's lightweight design makes it easier to carry during long shoots or travels, which can be a significant advantage for outdoor or event photography.
Zoom Range and Versatility
The RF-S18-150mm provides a versatile zoom range of 18-150mm, catering to a variety of shooting situations, from landscapes to portraits. However, the RF75-300mm boasts an impressive zoom range of 75-300mm, allowing for more dramatic shots, particularly in wildlife or sports photography. This extended focal length can dramatically alter the feel of your photos, enabling detailed close-ups from a distance. The choice largely depends on whether you prefer a broader range or specialized long-distance capabilities.
Autofocus Capabilities
Autofocus performance is a critical feature for any lens, especially for video shooting and action photography. The RF-S18-150mm includes a lead screw-type stepper motor (STM), which ensures smooth and quiet autofocus, making it particularly effective for capturing videos without distracting background noise. The RF75-300mm, on the other hand, features Eye Detection technology at its maximum zoom, which can automatically focus on a subject's pupils, even during movement. This capability is particularly beneficial for portrait and wildlife photography.
Image Stabilization Features
Both lenses offer image stabilization, but they do so in different ways. The RF-S18-150mm features in-lens optical image stabilization with up to 4.5 stops of shake correction, which can be extended to 6.5 stops when used with compatible EOS R series cameras featuring In-Body Image Stabilizer (IBIS). This advanced stabilization is beneficial for low-light situations, allowing for sharper images with minimal blur. The RF75-300mm does not specify stabilization features, which could be a consideration for those shooting in varied lighting conditions or at high zoom levels.
Compatibility and Mount Type
Both lenses are designed exclusively for Canon's RF mount, meaning they are compatible only with EOS R series cameras such as the R100, R50, and R5. This specificity can limit your options if you own other Canon camera types, such as DSLRs with EF, EF-S, or EF-M mounts. If you are already invested in the EOS R system, either lens will integrate seamlessly into your kit, but it's essential to ensure compatibility with your specific camera model.
Included Accessories
The RF75-300mm offers added value through its included accessories, such as a UV filter, lens cap keeper, and a cleaning kit, which enhance the overall photography experience. These extras, valued at around $20-$30, make it an attractive purchase for beginners or those looking for a complete setup. The RF-S18-150mm does not come with additional accessories, focusing instead on delivering high-quality optical performance. If you're looking for a more comprehensive package, the RF75-300mm may be the more appealing choice.
Which should you buy?
Deciding between the Canon RF-S18-150mm and the RF75-300mm depends on your photography needs. The RF-S18-150mm is perfect for those seeking a versatile all-around lens that excels in video shooting and offers advanced image stabilization. However, if you prioritize portability and long-distance shooting capabilities, the RF75-300mm, which is significantly cheaper at $239.00, might be the better choice. Each lens has its strengths, so consider your style and the types of photography you engage in most often before making a decision.

