Canon RF 24- vs Canon RF-S18-
Updated July 2026 — Canon RF 24- wins on price and weight, Canon RF-S18- wins on zoom and aperture.
The Canon RF 24-105mm f/4L is USM Zoom Lens offers superior build quality and low-light performance, while the RF-S18-150mm is a budget-friendly option with a versatile zoom range.
Why Canon RF 24- is better
Build Quality
L-Series construction for durability
Aperture
Constant f/4 aperture for consistent exposure
Image Stabilization
5 stops of shake correction
Why Canon RF-S18- is better
Price
$569.00 is 59% cheaper
Zoom Range
18-150mm offers more versatility
Autofocus
Quieter operation for video recording
Overall score
Specifications
| Spec | Canon RF 24- | Canon RF-S18- |
|---|---|---|
| Brand | Canon | Canon |
| Max Aperture | f/4 | f/3.5-6.3 |
| Zoom Range | 24-105mm | 18-150mm |
| IS Stops | 5 | 4.5 |
| Weight | 700g | 400g |
Dimension comparison
Price Comparison
When it comes to price, the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens is significantly more affordable than the Canon RF 24-105mm f/4L is USM Zoom Lens. The RF-S18-150mm is priced at $569.00, making it about 59% cheaper than the RF 24-105mm, which retails for $1,399.00. This price difference may be a crucial factor for those on a budget or those looking for a versatile lens without breaking the bank. The lower price of the RF-S18-150mm makes it more accessible for entry-level photographers or anyone who values versatility without a hefty investment.
Zoom Range
The zoom range offers a distinct advantage for users depending on their photography needs. The Canon RF-S18-150mm provides a versatile zoom range of 18-150mm, which covers standard to telephoto angles, making it suitable for a variety of photography styles. In contrast, the RF 24-105mm has a zoom range of 24-105mm, which is slightly narrower but still provides a broad focal length for most situations. The RF-S18-150mm’s extended range allows for more creative flexibility, especially in capturing distant subjects or landscapes. This makes the RF-S18-150mm a better choice for those who need a single lens that can adapt to different shooting scenarios.
Aperture Capabilities
Aperture is a vital specification that affects image quality, especially in low-light conditions. The RF 24-105mm boasts a constant f/4 maximum aperture, allowing for uniform exposure throughout the zoom range. This feature is particularly beneficial for portrait and landscape photography, where consistent depth of field is desired. On the other hand, the RF-S18-150mm has a variable aperture that ranges from f/3.5 to f/6.3, which can limit performance in low-light situations compared to the RF 24-105mm. Thus, if low-light performance and depth of field control are priorities for your photography, the RF 24-105mm may be the more suitable option.
Image Stabilization
Both lenses offer optical image stabilization, but the effectiveness differs between the two. The Canon RF-S18-150mm provides up to 4.5 stops of shake correction, which is impressive for handheld shooting. However, when paired with EOS R series cameras featuring In-Body Image Stabilizer (IBIS), this can increase to 6.5 stops. In contrast, the RF 24-105mm offers up to 5 stops of shake correction, making it slightly superior in stabilization capabilities when not paired with IBIS. This minor difference may influence choice based on whether the user already owns an EOS R series camera capable of utilizing the enhanced stabilization of the RF-S18-150mm.
Autofocus Performance
Autofocus capabilities can greatly influence the user experience, especially for video recording and fast-paced photography. The RF-S18-150mm features a lead screw-type STM (Stepping Motor) that provides smooth and quiet autofocusing, making it an excellent choice for video work where sound is essential. The RF 24-105mm, while equipped with Nano USM, is also designed for fast and quiet focusing. However, it does not specifically mention video-centric features like the RF-S18-150mm. If video recording is a priority, the RF-S18-150mm’s design may offer a distinct advantage due to its quieter operation during autofocus.
Build Quality and Design
In terms of build quality, the Canon RF 24-105mm is part of the L-Series, known for its premium construction and durability. It features a control ring for direct setting changes, adding to its professional usability. The RF-S18-150mm, while designed for versatility and ease of use, may not have the same ruggedness as the L-Series lens. For photographers who frequently work in challenging environments or demand higher durability from their gear, the RF 24-105mm may be the preferable choice, although it comes at a higher price point.
Target User Base
The target user base for each lens also plays a significant role in their suitability. The Canon RF 24-105mm is ideal for professional photographers or serious hobbyists who require a high-quality lens with consistent performance across various scenarios. Its broader aperture and superior build quality justify its higher price. Conversely, the Canon RF-S18-150mm is tailored for casual photographers or beginners looking for an all-in-one solution without a hefty investment. Its versatility and lower price make it attractive for those who want a reliable lens for everyday photography.
Which should you buy?
Choosing between the Canon RF 24-105mm f/4L is USM Zoom Lens and the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens ultimately depends on your specific needs and budget. If you are a professional or serious enthusiast who prioritizes build quality, low-light performance, and a constant aperture, the RF 24-105mm is worth the investment. However, if you are a beginner or looking for a versatile, budget-friendly lens that can handle a variety of situations, the RF-S18-150mm is an excellent choice. Each lens has its strengths, making them suitable for different types of photographers.

