Sirui Night Walker 55mm T1.2 S35 Cine Lens (RF-Mount, Black)

Sirui Night Walker RF Fast Cine

The Sirui Night Walker 55mm T1.2 S35 Cine Lens (RF-Mount, Black) is a professional fast cine prime lens designed for high-resolution digital cinematography on modern mirrorless sensors. This prime features an ultrafast T1.2 maximum aperture, providing filmmakers with unprecedented control over light transmission and depth of field. It is engineered for the Canon RF mount, offering consistent color rendering and technical precision for high-resolution narrative and commercial production.

This ultra-fast prime excels in creating immersive cinematic imagery with a natural perspective and smooth focus falloff. The lens features industry-standard gear positions, allowing for seamless integration into follow-focus systems during production. The durable metal housing ensures long-term reliability in the field, making it a favorite for independent filmmakers who operate in unpredictable lighting conditions. Its robust build is optimized for professional mirrorless and digital cinema cameras using the modern Canon RF mount system.

Sirui 55mm/Night Walker Specifications

• Focal length: 55–55 mm equivalent coverage.
• Maximum aperture: T1.2 across the zoom range.
• Minimum focusing distance: 1.97 ft (0.6 m).
• 14 Elements in 10 Groups with ED and HR glass construction.
• Durable metal housing for outdoor shooting environments.
• Best Application: Low-Light Narrative Cinematography and Atmospheric Night Shoots.
• Mount type: Canon RF compatible with modern mirrorless cameras.
• 1-Year Limited Warranty

Canon RF 55mm Fast Cine

Proven in hundreds of real production counts across diverse cinematic environments, this professional lens demonstrates exceptional reliability for low-light filmmaking. Technical measurements confirm that the optical path delivers superior light transmission and series-wide color matching for high-end production. Industry endorsement from top-tier directors of photography confirms its status as an authoritative tool for digital cinema, meeting the most demanding standards for professional production.

High-Speed Prime Optical Construction

The technical definition using specialized high-index glass elements reduces chromatic aberration and color fringing significantly. Improved resolution ensures high contrast such as razor-sharp edge-to-edge clarity throughout the frame. Professional cinematographers benefit from this construction when capturing intricate details in high-resolution video. This precise engineering ensures that digital sensors capture natural textures with absolute accuracy for professional grading. It maintains sharp results even at the wide T1.2 setting for capture.

T1.2 Professional Aperture Implementation

The fast T1.2 aperture behavior enables maximum exposure control in low-light environments without introducing noise. High-quality circular bokeh creates pleasing background separation for aesthetic shots. Narrative cinematographers such as indie directors rely on this feature for creating a classic cinematic look. This large aperture allows for extreme shallow depth-of-field control, providing a unique visual signature that isolates subjects within their environment for compelling and immersive storytelling during night shoots.

Manual Follow-Focus Focus System

The manual focus system provides tactile and precise focusing for professional cinema use. Industry-standard 0.8 MOD gears improve speed and accuracy for professional workflows on busy sets. Focus pullers benefit especially in fast-action handheld scenarios where precision is critical. The smooth focus rotation provides ample space for fine-tuning focus during complex camera movements and tracking shots, ensuring every transition is perfectly timed for the narrative and professional film production requirements.

Durable All-Metal Cinema Chassis

The lens weighs 1.1 lb (510 g) with a barrel length of 3.3 in (84 mm). The rugged metal design adds durability for demanding production environments and extreme weather. Equipment managers value this when maintaining fleet longevity. Its standardized filter thread allows for quick filter changes without changing adapter rings, making it an efficient choice for small crews and fast-paced commercial production environments globally for mobile and studio digital filming.

Canon RF Compatibility and Adaptability

The Canon RF mount attaches to professional mirrorless and APS-C digital cinema cameras. Industry-standard mount compatibility enables secure camera mounting and optical alignment for high-end rigs. Production houses often use adapters for diverse camera setups on different projects. This robust mount ensures that the lens remains perfectly centered and stable, even when using heavy lens support systems and high-torque wireless focus motors during dynamic and high-stakes capture.

Professional Low-Light Cinema Deployment

The T1.2 capability supports challenging night-shoot tasks for professional directors of photography and cinematographers. Low noise results reduce lighting overhead in tight work settings and interior locations. Commercial cinematography thrives with this optical setup because it delivers natural light perspectives. This deployment is ideal for feature films, music videos, and immersive projects needing a unique low-light view and authoritative visual style for high-resolution digital cinema capture.

Night Walker 55mm Care Protocol

Correct cleaning with air blowers prevents dust scratches on large front glass and multi-coatings. Padded transport case storage keeps optics calibrated and protected from vibration during travel. Pro Tip: Store with gears facing upward to prevent compression flat-spots for long-term reliability and smoothness. Includes a 1-year limited warranty for professional peace of mind, ensuring that the mechanical gears perform reliably over many professional cycles.