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Canon 344B006 EF 24- vs Canon RF 75-

Updated July 2026 — Canon 344B006 EF 24- wins on build quality and filter size, Canon RF 75- wins on weight and focus distance.

The Canon 344B006 EF 24-105mm lens offers superior versatility and build quality, while the Canon RF 75-300mm lens is a more affordable option with excellent telephoto capabilities.

Why Canon 344B006 EF 24- is better

Versatility

Broader focal range from 24mm to 105mm

Build Quality

Robust L-series construction with weather resistance

Constant Aperture

Maintains f/4.0 throughout zoom range

Why Canon RF 75- is better

Price

Significantly cheaper at $253.95

Weight

Lightweight design, just over 1 lb

Telephoto Range

Extended reach of 75-300mm

Overall score

Canon 344B006 EF 24-
85
Canon RF 75-
75

Specifications

SpecCanon 344B006 EF 24-Canon RF 75-
Focal Length24-105mm75-300mm
Aperturef/4.0f/4-5.6
AutofocusUSMDC Motor
Image StabilizationYesNo
Warranty1 YearNone

Dimension comparison

Canon 344B006 EF 24-Canon RF 75-

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 offers a versatile focal range with a consistent maximum aperture of f/4.0. Priced at $509.00, this lens is designed for a broad spectrum of photography needs, from landscapes to portraits. Its image-stabilized ultrasonic motor allows for silent and reliable autofocus, making it ideal for both still photography and video work. The lens has a close focusing distance of 45 cm, providing flexibility for various shooting scenarios. Additionally, it comes with a one-year manufacturer’s warranty, ensuring quality and reliability.

Overview of the Canon RF 75-300mm f/4-5.6 Lens

The Canon RF 75-300mm f/4-5.6 Lens is significantly more budget-friendly at $253.95, making it about 50% cheaper than its counterpart. This lightweight telephoto zoom lens is tailored for Canon's RF-mount mirrorless cameras, offering an extensive 75-300mm focal range. This translates to an equivalent 120-480mm on APS-C cameras, providing remarkable versatility for capturing distant subjects like wildlife and sports. The lens features a variable aperture of f/4-5.6, which balances portability and image quality, weighing just over 1 lb. This makes it convenient for travel and everyday use, appealing to photographers seeking both mobility and performance.

Focal Length and Versatility

The focal lengths of the two lenses present different advantages for photographers. The Canon 344B006 EF 24-105mm lens offers a versatile zoom range, covering a wide angle to a short telephoto. This makes it suitable for various photography styles like landscapes, portraits, and events. In contrast, the Canon RF 75-300mm lens excels in telephoto capabilities, which is ideal for capturing subjects at a distance, such as wildlife or sports events. The extended range of the RF lens makes it particularly effective for situations where getting close to the subject is not feasible, further enhancing its appeal for outdoor and action photography.

Image Quality and Aperture

Image quality is paramount in lens performance, and both lenses deliver strong results, albeit with different aperture settings. The Canon 344B006 EF 24-105mm lens maintains a constant f/4.0 aperture throughout its zoom range, which allows for consistent exposure and depth of field control. This is particularly beneficial for low-light conditions and when creating a blurred background effect. On the other hand, the Canon RF 75-300mm lens features a variable aperture (f/4-5.6), which may limit performance in lower lighting situations. However, its optical design is optimized for sharpness and clarity, ensuring high-quality images, especially in bright conditions.

Build Quality and Design

Build quality is an essential aspect of any lens, impacting durability and usability. The Canon 344B006 EF 24-105mm lens is part of Canon's L-series, known for its robust construction and weather resistance, making it suitable for serious photographers who often shoot in challenging environments. The lens also has a 77 mm filter size, allowing for a wide range of filter options. In comparison, the Canon RF 75-300mm lens, while compact and lightweight, is designed with portability in mind. It features a 58 mm filter thread, making it easy to use with various filters, although it may not be as rugged as the L-series lens.

Autofocus Performance

Both lenses feature autofocus systems designed for quick and accurate focusing, although their technologies differ. The Canon 344B006 EF 24-105mm lens utilizes an ultrasonic motor (USM) that provides silent and reliable operation, making it ideal for video work and quiet shooting environments. In contrast, the Canon RF 75-300mm lens employs a DC motor for autofocus, which is effective but may not match the near-silent performance of USM. Nonetheless, the RF lens provides smooth autofocus, suitable for both still images and video, ensuring that photographers can capture fast-moving subjects without delay.

Price Comparison

Price is a significant consideration when choosing between these two lenses. The Canon 344B006 EF 24-105mm lens is priced at $509.00, whereas the Canon RF 75-300mm lens is available for $253.95. This makes the RF lens about 50% cheaper, providing a more budget-friendly option for photographers. While the EF lens offers a broader focal range and a constant aperture, the substantial price difference makes the RF lens an attractive choice for casual photographers or those seeking to expand their lens collection without a hefty investment.

Which should you buy?

Ultimately, the choice between the Canon 344B006 EF 24-105mm lens and the Canon RF 75-300mm lens depends on your specific photographic needs and budget. If you require a versatile, high-quality lens for various shooting scenarios and are willing to invest, the Canon 344B006 EF 24-105mm may be the better option. However, for those seeking a lightweight, budget-friendly telephoto lens with a longer reach for sports or wildlife photography, the Canon RF 75-300mm lens presents a compelling case with its affordability and portability.