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SIRUI vs SIRUI Night Walker

Updated July 2026 — SIRUI wins on image circle and build quality, SIRUI Night Walker wins on field of view and weight.

The SIRUI 20mm T1.8 Anamorphic Lens excels in autofocus and cinematic features, while the Night Walker 35mm offers superior low-light performance at a lower price.

Why SIRUI is better

Autofocus

The 20mm lens features advanced autofocus capabilities.

Cinematic

The anamorphic design provides a wider cinematic perspective.

Versatility

Selectable manual and autofocus options enhance shooting flexibility.

Why SIRUI Night Walker is better

Price

The Night Walker is significantly cheaper.

Low-Light

T1.2 aperture excels in low-light conditions.

Manual Control

Full manual focus allows for precise control.

Overall score

SIRUI
85
SIRUI Night Walker
75

Specifications

SpecSIRUISIRUI Night Walker
AutofocusYesNo
Lens TypeAnamorphicCine
Max ApertureT1.8T1.2
Min Focus0.5m0.4m
Price$599$279

Dimension comparison

SIRUISIRUI Night Walker

Overview of the SIRUI 20mm T1.8 Anamorphic Lens and SIRUI Night Walker 35mm Cine Lens

The SIRUI 20mm T1.8 Anamorphic Lens offers advanced features for filmmakers, while the SIRUI Night Walker 35mm Cine Lens focuses on low-light performance and manual control. Each lens serves a unique purpose and caters to different filming styles. Priced at $599.00, the 20mm lens is aimed at those seeking a cinematic experience with autofocus capabilities. In contrast, the Night Walker is priced at $279.00, making it about 53% cheaper than its counterpart, appealing to those who prefer manual focus and a larger aperture.

Autofocus vs. Manual Focus

The SIRUI 20mm T1.8 Anamorphic Lens features selectable manual and autofocus capabilities, making it versatile for various shooting conditions. It uses a precision STM stepping motor for smooth, quiet autofocus and includes eye-tracking technology, which is beneficial for dynamic shots. On the other hand, the SIRUI Night Walker 35mm Cine Lens is strictly a manual focus lens. While this may require more skill, it allows filmmakers to have full control over focus, which can be crucial for achieving specific creative effects.

Aperture and Low-Light Performance

The SIRUI Night Walker 35mm lens has a large T1.2 aperture, which excels in low-light conditions, allowing for brighter images without the need for high ISO settings. This feature makes it ideal for night filming and creates pleasing bokeh effects. In comparison, the SIRUI 20mm T1.8 lens, while also capable in low-light conditions, has a smaller aperture that may not perform as well in extremely dark environments. Therefore, if low-light performance is a priority, the Night Walker may be the better choice.

Image Coverage and Perspective

The SIRUI 20mm T1.8 lens is optimized for APS-C or Super 35 sensors, providing a 37mm image circle. This allows for a wider perspective that is particularly effective for capturing landscapes and tight indoor spaces. In contrast, the SIRUI Night Walker 35mm lens has an equivalent focal length of 49mm in full-frame terms, which makes it more suited for portrait and documentary filmmaking. The 20mm lens offers a broader field of view, making it ideal for expansive shots, while the Night Walker narrows the focus on subjects.

Build Quality and Design

Both lenses are constructed with durability in mind, but they cater to different preferences. The SIRUI Night Walker 35mm lens features a strong aluminum cine housing, making it sturdy yet portable, and it weighs around 500g. This design provides protection for the optical elements while being easy to handle. The SIRUI 20mm T1.8 lens is also compact and lightweight at 480g, designed for handheld and gimbal shooting. The choice between these two may come down to personal preference regarding weight and aesthetic design.

Price and Value Proposition

At a price of $599.00, the SIRUI 20mm T1.8 Anamorphic Lens is a significant investment, especially for independent filmmakers or content creators. The price reflects its advanced features such as autofocus and anamorphic capabilities. Conversely, the SIRUI Night Walker 35mm lens, priced at $279.00, represents a more budget-friendly option without sacrificing optical performance. The substantial price difference of about $320 may influence buyers looking for cost-effective solutions without compromising quality.

Target Audience and Use Cases

The SIRUI 20mm T1.8 lens is ideal for filmmakers who prioritize a cinematic experience with its anamorphic capabilities and autofocus features. It's particularly suited for those working on narrative films or projects that require a wide-angle perspective. On the other hand, the SIRUI Night Walker 35mm lens is tailored for those who prefer manual focus and need a fast lens for low-light scenarios. Documentarians and portrait photographers may find this lens more appealing due to its aesthetic quality and control over focus.

Which should you buy?

Choosing between the SIRUI 20mm T1.8 Anamorphic Lens and the SIRUI Night Walker 35mm Cine Lens ultimately depends on your specific filmmaking needs. If you desire a versatile lens that excels in cinematic applications with autofocus capabilities, the 20mm option is worth the investment. However, if you are looking for a more budget-friendly choice with exceptional low-light performance and manual focus control, the Night Walker is an excellent alternative. Both lenses have their unique strengths, making either a viable choice depending on your shooting style and requirements.