Canon 344B006 EF 24- vs Canon RF 24-
Updated July 2026 — Canon 344B006 EF 24- wins on compatibility, Canon RF 24- wins on price and weight.
The Canon RF 24-105mm f/4L is USM Zoom Lens offers advanced features and superior image quality, making it the better choice for serious photographers. However, the Canon EF lens is a more budget-friendly option.
Why Canon 344B006 EF 24- is better
Price
Canon EF lens is significantly cheaper at $509.
Weight
Canon EF lens is lighter, making it easier to carry.
Compatibility
Canon EF lens works with a wider range of Canon DSLRs.
Why Canon RF 24- is better
Image Quality
Canon RF lens has advanced optical design for better sharpness.
Stabilization
Canon RF lens offers up to 5 stops of shake correction.
Build Features
Canon RF lens includes a control ring for direct setting changes.
Overall score
Specifications
| Spec | Canon 344B006 EF 24- | Canon RF 24- |
|---|---|---|
| Focal Length | 24-105mm | 24-105mm |
| Aperture | f/4 | f/4 |
| Motor Type | USM | Nano USM |
| Filter Size | 77mm | 77mm |
| Warranty | 1 year | 1 year |
Dimension comparison
Price Comparison
The Canon 344B006 EF 24-105mm f/4.0 L is USM Lens is significantly more affordable than the Canon RF 24-105mm f/4L is USM Zoom Lens. Priced at $509.00, the EF lens is about 64% cheaper compared to the RF model, which retails for $1,399.00. This substantial price difference makes the EF lens a compelling option for budget-conscious photographers or those just starting with their camera gear.
While both lenses share a similar focal length range, the cost of the RF lens reflects its newer design and advanced features, making it a worthwhile investment for professionals or enthusiasts looking for high-quality performance.
Build Quality and Design
In terms of build quality, both lenses are designed to meet the demands of professional photography. The Canon 344B006 EF lens is a robust option, featuring a solid construction that includes an image-stabilized ultrasonic motor for silent and reliable operation. Its filter size is 77 mm, providing compatibility with a wide range of photography accessories.
On the other hand, the Canon RF 24-105mm f/4L is USM Zoom Lens boasts a compact and high-quality design tailored for the EOS R system. It introduces a control ring for direct setting changes, allowing for quick adjustments during shooting. While both lenses are well-built, the RF lens's innovative features and compact design enhance its usability for modern photographers.
Performance in Various Conditions
When considering performance, both lenses excel in different aspects. The Canon 344B006 EF lens offers reliable autofocus and the ability to focus down to 45 cm, making it versatile for various shooting scenarios. It is also equipped with image stabilization, which is beneficial for handheld shooting, especially in low-light conditions.
Conversely, the Canon RF 24-105mm f/4L lens features optical image stabilization that provides up to five stops of shake correction. This advantage makes it particularly suitable for shooting in challenging environments where camera shake can be a concern. The RF lens's constant f/4 aperture across the zoom range ensures consistent exposure, making it ideal for capturing a range of subjects in diverse lighting conditions.
Compatibility with Camera Systems
Camera compatibility is an essential factor for any lens buyer. The Canon 344B006 EF lens is designed for Canon's EF mount cameras, making it compatible with a wide array of older and current Canon DSLRs. This broad compatibility allows for greater flexibility, especially for those who may own multiple Canon bodies.
In contrast, the Canon RF 24-105mm f/4L lens is specifically tailored for the EOS R system. This means that it is optimized for the latest mirrorless camera technology, offering features such as faster autofocus and improved image processing capabilities. For photographers who have invested in the EOS R system, the RF lens is a natural fit, providing enhanced performance.
Autofocus and Manual Control
When it comes to autofocus and manual control, both lenses offer unique advantages. The Canon 344B006 EF lens features an ultrasonic motor (USM) for silent and quick autofocus operation, which is particularly beneficial for capturing candid moments without disturbing the scene. Additionally, it allows for easy switching between autofocus and manual operation, catering to the preferences of different photographers.
In comparison, the Canon RF 24-105mm f/4L lens also benefits from fast autofocus, enhanced by its Nano USM technology, which delivers even smoother and quieter focusing. This lens introduces a control ring that allows photographers to adjust settings like aperture or exposure compensation directly on the lens, providing a seamless shooting experience. This feature may appeal to those who prefer a more hands-on approach to their photography.
Image Quality and Sharpness
Both lenses deliver impressive image quality, but they cater to slightly different user needs. The Canon 344B006 EF lens is known for its sharpness and clarity, making it a solid choice for landscape, portrait, and general photography. Its image stabilization ensures that images remain sharp even in less-than-ideal conditions.
The Canon RF 24-105mm f/4L lens, however, takes image quality a step further with its advanced optical design, which includes specialized elements to minimize aberrations and enhance sharpness across the zoom range. The constant f/4 aperture also contributes to its overall image quality, ensuring that images retain their integrity and vibrancy, regardless of the zoom level.
Overall Usability and Versatility
When assessing overall usability, the Canon 344B006 EF lens offers great versatility, especially for photographers who value a solid all-rounder lens for various shooting situations. Its durability and ease of use make it a practical choice for both amateurs and professionals seeking reliable performance.
In contrast, the Canon RF 24-105mm f/4L lens is designed for those looking for cutting-edge features and optimal performance in a compact format. Its advanced technologies and design enhancements make it particularly appealing to modern photographers who prioritize innovation and efficiency in their gear.
Which should you buy?
Ultimately, the decision between the Canon 344B006 EF 24-105mm f/4.0 L is USM Lens and the Canon RF 24-105mm f/4L is USM Zoom Lens boils down to your specific needs and budget. If you're looking for a cost-effective option that delivers solid performance, the EF lens at $509.00 is an excellent choice. However, if you are invested in the EOS R system and willing to pay a premium for advanced features and superior image quality, the RF lens at $1,399.00 is the way to go. Both lenses serve their purpose well, but understanding your requirements will guide you to the right purchase.

