Canon RF 75- vs SIRUI Night Walker
Updated July 2026 — Canon RF 75- wins on focal length and aperture, SIRUI Night Walker wins on filter size and diameter.
The Canon RF 75-300mm lens offers great versatility and value for photographers, while the SIRUI Night Walker excels in low-light performance for filmmakers. Choose based on your primary needs.
Why Canon RF 75- is better
Price
Canon lens is cheaper at $253.95
Versatility
Canon lens covers a wider focal range (75-300mm)
Autofocus
Canon lens features responsive autofocus for stills and video
Why SIRUI Night Walker is better
Low-light
SIRUI lens has a large T1.2 aperture for better low-light performance
Build Quality
SIRUI lens has a sturdy aluminum housing
Cinematic
SIRUI lens is designed specifically for filmmakers
Overall score
Specifications
| Spec | Canon RF 75- | SIRUI Night Walker |
|---|---|---|
| Max Aperture | f/4-5.6 | T1.2 |
| Focal Length | 75-300mm | 35mm |
| Min Focus | 4.9 ft | 1.3 ft |
| Weight | 1.0 lb | 1.1 lb |
| Autofocus | Yes | No |
Dimension comparison
Overview of the Canon RF 75-300mm f/4-5.6 Lens
The Canon RF 75-300mm f/4-5.6 Lens is a versatile telephoto zoom lens designed for Canon's RF-mount mirrorless cameras. Priced at $253.95, this lens offers a focal length range of 75-300mm, which translates to an equivalent range of 120-480mm on APS-C cameras. This makes it ideal for capturing sports, wildlife, and portraits. Its lightweight design, weighing just over 1 lb, ensures portability without sacrificing image quality, making it an excellent choice for photographers on the go.
Overview of the SIRUI Night Walker 35mm S35 Manual Focus Cine Lens
The SIRUI Night Walker 35mm S35 Manual Focus Cine Lens offers unique features tailored for filmmakers, priced at $279.00. With a large T1.2 aperture, this lens excels in low-light conditions, allowing for stunning visuals without the need for high ISO settings. Its 35mm focal length, equivalent to 49mm on full-frame cameras, is perfect for documentary and portrait work. The lens is built with a strong aluminum housing, ensuring durability while remaining lightweight at around 500g.
Design and Build Quality Comparison
The Canon RF 75-300mm f/4-5.6 Lens emphasizes portability with its compact design and lightweight construction, making it convenient for everyday use. In contrast, the SIRUI Night Walker 35mm Cine Lens features a robust aluminum body that provides excellent protection for its internal components while still being lightweight. This focus on durability is crucial for filmmakers who need reliable gear in various shooting conditions. While both lenses are designed with user convenience and quality in mind, the SIRUI lens prioritizes a sturdier build, which may appeal more to professionals in the film industry.
Optical Performance
The Canon RF 75-300mm f/4-5.6 Lens is optimized for sharpness and clarity across its zoom range, aided by Canon’s Super Spectra Coating that minimizes lens flare and ghosting. This ensures high contrast and vibrant color fidelity, even in challenging lighting. On the other hand, the SIRUI Night Walker 35mm lens takes optical performance to the next level with its large T1.2 aperture, which allows for exceptional sharpness and well-controlled aberration. The combination of fast aperture and outstanding optical design makes it particularly effective for low-light filming, offering a different advantage compared to the Canon lens.
Focusing Capabilities
When it comes to focusing capabilities, the Canon RF 75-300mm lens features a DC motor that provides responsive and accurate autofocus performance, suitable for both stills and video. Its close-focusing capability of 4.9 feet and a maximum magnification of 0.25x enable semi-macro shooting, enhancing its versatility. Conversely, the SIRUI Night Walker 35mm lens is a manual focus lens, which can offer filmmakers greater control over focus during shooting. However, this may require more skill and practice, particularly for those accustomed to autofocus systems.
Price and Value Proposition
The Canon RF 75-300mm f/4-5.6 Lens is priced at $253.95, making it about 8.9% cheaper than the SIRUI Night Walker, which costs $279.00. This price difference may appeal to photographers looking for a budget-friendly option without sacrificing functionality. The Canon lens also includes a shoulder bag and a 64GB memory card, adding extra value to the purchase. In contrast, the SIRUI lens, while more expensive, offers unique features such as the T1.2 aperture, which can justify the higher price for filmmakers who require low-light capabilities.
Target Audience
The Canon RF 75-300mm f/4-5.6 Lens is ideally suited for photographers who engage in sports, wildlife, and travel photography. Its lightweight design and versatility make it a great choice for everyday use. In contrast, the SIRUI Night Walker 35mm lens is specifically designed for filmmakers, especially those working with E-mount cameras. Its fast aperture and manual focus capabilities cater to professionals and enthusiasts looking to achieve cinematic quality in their work. Thus, the target audience for each lens distinctly shapes their design and functionality.
Which should you buy?
Ultimately, the decision between the Canon RF 75-300mm f/4-5.6 Lens and the SIRUI Night Walker 35mm S35 Manual Focus Cine Lens depends on your specific needs. If you are a photographer seeking a versatile and lightweight lens for a variety of subjects, the Canon lens at $253.95 offers excellent value and usability. However, if you are a filmmaker looking for a high-performance lens that excels in low-light conditions and allows for creative control, the SIRUI lens at $279.00 might be the better investment. Consider your primary use and budget to make the right choice for your photography or filmmaking endeavors.

