Canon 344B006 EF 24- vs Canon RF45mm F1.2 STM
Updated July 2026 — Canon 344B006 EF 24- leads on price and focal length.
The Canon RF45mm F1.2 STM offers superior low-light performance and artistic capabilities, while the Canon 344B006 EF 24-105mm provides versatility for various photography styles.
Why Canon 344B006 EF 24- is better
Versatility
Covers a wide focal length range from 24mm to 105mm.
Durability
Robust build typical of Canon's L-series lenses.
Close Focus
Allows focusing down to 45 cm.
Why Canon RF45mm F1.2 STM is better
Low-Light
Wide f/1.2 aperture excels in low-light conditions.
Bokeh
Produces stunning background blur for portraits.
Compact Design
Lightweight and portable for travel.
Overall score
Specifications
| Spec | Canon 344B006 EF 24- | Canon RF45mm F1.2 STM |
|---|---|---|
| Image Stabilization | Yes | No |
| Autofocus Type | USM | STM |
| Warranty | 1 Year | No |
| Prime/Zoom | Zoom | Prime |
| Bokeh Quality | Good | Excellent |
Dimension comparison
Overview of the Canon 344B006 EF 24-105mm f/4.0 L is USM Lens
The Canon 344B006 EF 24-105mm f/4.0 L is USM Lens is a versatile zoom lens that is currently priced at $509.00. It offers a focal length range that makes it suitable for various photography styles, including landscapes and portraits. The lens features an image stabilised ultrasonic motor (USM) that ensures quiet and reliable operation, enhancing the overall shooting experience. Additionally, it allows for a close focus distance of 45 cm, making it a great option for detailed shots.
Professionally inspected and tested, this lens is available as a pre-owned or refurbished option, ensuring it works and looks like new. Despite being a refurbished product, it comes with a one-year manufacturer's warranty, providing peace of mind for buyers. Its filter size is 77 mm, which is common among lenses in its category.
Overview of the Canon RF45mm F1.2 STM
The Canon RF45mm F1.2 STM is priced at $469.00, making it about 8% cheaper when compared to the Canon 344B006. This standard prime lens features a remarkable f/1.2 aperture, allowing for stunning low-light performance and beautiful bokeh effects. The lens design includes a large-diameter mount and short back focus, which contribute to its compact size and affordability, making it an attractive option for both amateur and professional photographers.
The RF45mm lens stands out for its ability to isolate subjects from the background, thanks to the soft, expressive visuals it produces. Its innovative design, which includes a PMo aspheric lens, effectively reduces aberrations, enhancing image quality. This lens is an excellent choice for capturing portraits, lifestyle content, and everyday narratives, offering versatility and high-quality results.
Price Comparison
The Canon 344B006 is priced at $509.00, while the Canon RF45mm F1.2 STM is available for $469.00. This makes the RF45mm approximately $40 cheaper, or about 8% less expensive than the 24-105mm lens. For photographers on a budget, the RF45mm offers high-performance features at a more accessible price point.
When considering the overall value, it's essential to evaluate what each lens offers in terms of functionality relative to its cost. While the price difference may seem modest, the RF45mm's capabilities, especially in low-light conditions, provide significant advantages that can be particularly appealing to those who focus on portraiture or creative photography.
Versatility in Photography
The Canon 344B006 is a versatile lens that covers a focal length range from 24mm to 105mm, making it suitable for a wide array of photography styles. This broad range allows photographers to easily switch between capturing landscapes and portraits without needing to change lenses. Its image stabilization feature further enhances its usability, making it ideal for handheld shooting in various conditions.
In contrast, the Canon RF45mm F1.2 STM is a prime lens, meaning it has a fixed focal length of 45mm. While it may not offer the same versatility as the zoom lens, its wide f/1.2 aperture excels in low-light situations and creates stunning background blur. For photographers who prioritize portrait photography or artistic shots with pronounced subject isolation, the RF45mm provides a specialized tool that can produce exceptional results.
Autofocus and Operation
The Canon 344B006 features an ultrasonic motor (USM) that enables silent and reliable autofocus, which is crucial for both still photography and videography. This lens allows users to switch seamlessly between autofocus and manual operation, providing flexibility depending on the shooting scenario.
On the other hand, the RF45mm F1.2 STM lens also boasts a fast and accurate autofocus system, but its prime nature means it is designed to deliver high-quality images with minimal distractions. The large aperture also allows for faster shutter speeds, which is particularly beneficial when shooting in darker environments. Overall, both lenses perform exceptionally well in autofocus, but the choice may depend on the specific needs of the user.
Lens Build and Design
The Canon 344B006 is designed for durability, featuring a robust build that is typical of Canon's L-series lenses. This lens is designed to withstand rigorous use, making it a trustworthy option for professionals who need reliable equipment for various shooting conditions.
In contrast, the Canon RF45mm F1.2 STM is also designed with a compact form factor, making it easier to carry around for extended periods. Its design focuses on portability without sacrificing optical performance, which is a significant advantage for photographers who travel frequently or prefer a lightweight setup.
Image Quality
When it comes to image quality, both lenses excel in their respective categories. The Canon 344B006 offers sharp images with excellent color rendition throughout its zoom range, making it a solid choice for a variety of photography genres. Its ability to focus closely adds to its versatility and image quality.
The RF45mm F1.2 STM, with its wide aperture, produces images with a three-dimensional look and impressive bokeh that can significantly enhance portraits and creative shots. The combination of its aspheric lens design and large aperture contributes to its capability of minimizing aberrations while maintaining sharpness, making it a preferred choice for photographers looking for artistic expression in their work.
Which should you buy?
In deciding between the Canon 344B006 EF 24-105mm f/4.0 L is USM Lens and the Canon RF45mm F1.2 STM, it ultimately comes down to your specific needs and shooting style. If you require versatility and a broad focal length range for different photography scenarios, the Canon 344B006 is the more suitable option despite its higher price of $509.00.
However, if you are more focused on portrait photography and need a lens that excels in low-light conditions, the Canon RF45mm F1.2 STM, priced at $469.00, offers exceptional performance and value. Consider your primary photography goals and budget to make the best choice for your needs.

