Canon EF vs Canon RF 24-
Updated July 2026 — Canon EF wins on weight, Canon RF 24- wins on price and zoom range.
The Canon EF 50mm f/1.4 is a budget-friendly option excelling in low-light conditions, while the Canon RF 24-105mm f/4L offers versatility and advanced features.
Why Canon EF is better
Price
The 50mm lens is significantly cheaper at $398.99.
Low-Light
The f/1.4 aperture provides superior low-light performance.
Weight
The 50mm lens is lighter at 10.2 ounces.
Why Canon RF 24- is better
Versatility
The 24-105mm zoom range allows for various shooting scenarios.
Image Stabilization
Includes optical stabilization for sharper handheld images.
Autofocus
Features Nano USM for faster and more precise focusing.
Overall score
Specifications
| Spec | Canon EF | Canon RF 24- |
|---|---|---|
| Max Aperture | f/1.4 | f/4 |
| Image Stabilization | No | Yes |
| Autofocus Type | USM | Nano USM |
| Focal Length | 50mm | 24-105mm |
| Weight | 10.2 oz | 1.5 lbs |
Dimension comparison
Overview of the Canon EF 50mm f/1.4 USM and Canon RF 24-105mm f/4L is USM
The Canon EF 50mm f/1.4 USM is priced at $398.99, while the Canon RF 24-105mm f/4L is USM comes in at $1,399.00, making the former about 71% cheaper. Both lenses are designed for Canon cameras but serve different purposes, with the 50mm being a prime lens and the 24-105mm a versatile zoom lens. The choice between these two largely hinges on your photography style and needs.
Design and Build Quality
The Canon EF 50mm f/1.4 USM is compact and lightweight, weighing only 10.2 ounces. It features a sturdy build suited for both amateur and professional use. In contrast, the Canon RF 24-105mm f/4L is also built for durability, classified as an L-Series lens, which typically indicates a more premium construction. While the 50mm lens is simpler in design, the RF lens offers a control ring for direct setting changes, adding to its versatility in the field.
Focal Length and Versatility
The focal length of the Canon EF 50mm f/1.4 is fixed at 50mm, making it ideal for portraits and everyday shooting, providing a standard view that mimics the human eye. On the other hand, the Canon RF 24-105mm offers a broad zoom range from 24mm to 105mm, allowing it to excel in a variety of scenarios, from landscapes to close-ups. This flexibility makes the RF lens a more versatile option for photographers who need to adapt quickly to different shooting conditions.
Aperture and Low-Light Performance
The Canon EF 50mm f/1.4 has a maximum aperture of f/1.4, which allows for excellent low-light performance and the ability to create a shallow depth of field. This makes it a preferred choice for portrait photography, where background blur can help isolate the subject. Conversely, the Canon RF 24-105mm has a constant maximum aperture of f/4, which, while still effective, does not perform as well in low-light situations as the 50mm lens. Photographers needing to shoot in dim environments will find the f/1.4 aperture of the 50mm lens more advantageous.
Autofocus System
Both lenses feature advanced autofocus systems, but they differ in execution. The Canon EF 50mm f/1.4 utilizes an Ultrasonic autofocus motor (USM), which is known for its speed and quiet operation, making it suitable for both photography and videography. In contrast, the Canon RF 24-105mm features the first L-Series lens with Nano USM technology, which provides even faster and more precise focusing capabilities, particularly beneficial for dynamic shooting situations. This makes the RF lens a better fit for those who prioritize fast autofocus in challenging conditions.
Image Stabilization
The Canon RF 24-105mm f/4L is USM includes optical image stabilization that corrects up to five stops of camera shake, which is a significant advantage for handheld shooting, particularly in low-light environments. The Canon EF 50mm f/1.4 does not have built-in image stabilization. Photographers who often shoot at slower shutter speeds or with longer focal lengths will find the stabilization in the RF lens to be a crucial feature that enhances image sharpness.
Price and Value
At $398.99, the Canon EF 50mm f/1.4 offers excellent value for those looking for a quality lens without breaking the bank. The Canon RF 24-105mm f/4L, at $1,399.00, is a higher investment, but it provides a wider zoom range and advanced features like image stabilization and a constant aperture. Depending on your needs, the price difference may be justified; if you require versatility and superior performance, the RF lens might be worth the higher cost.
Which should you buy?
The decision between the Canon EF 50mm f/1.4 USM and the Canon RF 24-105mm f/4L is largely dictated by your photographic needs. If you are looking for a budget-friendly option that excels in low-light conditions and provides beautiful background blur, the 50mm lens is an excellent choice. However, if you prioritize versatility, image stabilization, and a robust autofocus system, the RF lens justifies its higher price with its broader capabilities. Ultimately, your choice should align with your shooting style and specific requirements.

