SIRUI Night Walker vs Viltrox
Updated July 2026 — SIRUI Night Walker wins on aperture and build, Viltrox wins on weight and portability.
The SIRUI Night Walker 35mm excels in low-light performance and optical quality, while the Viltrox 25mm F1.7 E offers better portability and autofocus features.
Why SIRUI Night Walker is better
Aperture
T1.2 vs F1.7 for better low-light performance
Optical Quality
Superior sharpness and minimal aberration
Build Quality
Sturdy aluminum construction for durability
Why Viltrox is better
Weight
Significantly lighter at 170g
Autofocus
Advanced autofocus system with face recognition
Price
More affordable at $176.00
Overall score
Specifications
| Spec | SIRUI Night Walker | Viltrox |
|---|---|---|
| Max Aperture | T1.2 | F1.7 |
| Focus Type | Manual | Auto |
| Weight | 500g | 170g |
| Lens Type | Cine | Prime |
| Optical Elements | 11 elements | 8 elements |
Dimension comparison
Overview of the SIRUI Night Walker 35mm and Viltrox 25mm F1.7 E
The SIRUI Night Walker 35mm and the Viltrox 25mm F1.7 E are both impressive lenses designed for Sony E-mount cameras, but they cater to different shooting styles and preferences. The SIRUI Night Walker 35mm is priced at $279.00, while the Viltrox 25mm F1.7 E is more affordable at $176.00, making it about 37% cheaper. This price difference already sets the stage for how these lenses might appeal to different photographers or videographers.
Target Audience and Use Cases
The SIRUI Night Walker 35mm is ideal for filmmakers and photographers focused on cinematic quality, particularly in low-light conditions. Its T1.2 large aperture allows for exceptional shallow depth of field and pleasing bokeh, making it suitable for portrait and documentary work. In contrast, the Viltrox 25mm F1.7 E targets a broader user base, including casual photographers and vloggers, with its lightweight design and autofocus capabilities. This lens excels in everyday shooting scenarios and is especially beneficial for those who prioritize quick focusing and portability.
Aperture and Low-Light Performance
When it comes to aperture and low-light performance, the SIRUI Night Walker 35mm takes the lead with its T1.2 maximum aperture. This feature allows for shooting in very low light without raising the ISO excessively, resulting in cleaner night scenes. The Viltrox 25mm F1.7 E, while also bright with a maximum aperture of f/1.7, does not quite match the light-gathering capability of the SIRUI. However, it still offers good low-light performance and depth of field control, making it a solid choice for various lighting conditions.
Build Quality and Design
The SIRUI Night Walker 35mm boasts a premium cine body constructed from strong aluminum, weighing approximately 500g. This sturdy yet lightweight design makes it portable, ideal for filmmakers on the go. In contrast, the Viltrox 25mm F1.7 E is significantly lighter at just 170g, making it easier to carry and handle for everyday use. While the Viltrox's design is practical for travel, some users may find the SIRUI's robust build more appealing for professional-grade video production.
Optical Performance
Optically, the SIRUI Night Walker 35mm is engineered to deliver outstanding performance at maximum aperture, achieving high sharpness and controlled aberration. This lens is tailored for cinematic applications, where image quality is paramount. The Viltrox 25mm F1.7 E also offers commendable optical characteristics but is more focused on versatility and user-friendliness. It incorporates an STM stepper motor for quiet autofocus, enhancing the shooting experience for videos and candid photography.
Autofocus Capabilities
The Viltrox 25mm F1.7 E features an advanced autofocus system that supports face and eye recognition, making it particularly useful for portrait and event photography where subjects are in motion. This lens allows for seamless transitions between shots without the distraction of manual focus adjustments. On the other hand, the SIRUI Night Walker 35mm is a manual focus lens, which some purists may prefer for precise control in cinematic settings. However, this could be a drawback for those who favor the convenience of autofocus in fast-paced shooting environments.
Weight and Portability
In terms of weight and portability, the Viltrox 25mm F1.7 E is a clear winner. At only 170g, it's designed for travel and everyday use, allowing photographers to easily carry it around without adding much bulk to their gear. The SIRUI Night Walker 35mm, while still relatively lightweight at around 500g, may feel heftier during extended shooting sessions. This difference in weight could influence the choice for users who prioritize portability in their camera gear.
Which should you buy?
Choosing between the SIRUI Night Walker 35mm and the Viltrox 25mm F1.7 E largely depends on your shooting style and needs. If you are a filmmaker or a photographer focusing on cinematic quality with a preference for manual control and superior low-light performance, the SIRUI Night Walker 35mm, priced at $279.00, will serve you well. However, if you are looking for an affordable, lightweight lens that excels in everyday shooting and offers convenient autofocus capabilities, the Viltrox 25mm F1.7 E is an excellent choice at $176.00. Therefore, consider your specific requirements and budget before making a decision.

