Sirui

Sirui MS35L-B Night Walker 35mm T1.2 Cine Lens

Unleash the Night: Capture Stunning Low-Light Footage Introducing the SIRUI Night Walker 35mm T1.2 Cine Lens, designed for filmmakers who demand exceptional performance in challenging lighting conditions. This lens boasts a large T1.2 aperture and superior optical design, allowing you to capture...

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Overview

Unleash the Night: Capture Stunning Low-Light Footage

Introducing the SIRUI Night Walker 35mm T1.2 Cine Lens, designed for filmmakers who demand exceptional performance in challenging lighting conditions. This lens boasts a large T1.2 aperture and superior optical design, allowing you to capture brilliant footage even in the darkest environments. Experience pleasing bokeh, clear subject isolation, and natural color tones across the entire Night Walker series.

Specifications:

  • Focal Length: 35mm
  • Aperture: T1.2 - T16
  • Lens Mount: L Mount
  • Frame Coverage: Super 35 / APS-C
  • Minimum Focus Distance: 0.4m
  • Lens Structure: 11 elements in 10 groups
  • Aperture Blades: 12
  • Filter Thread: M67*0.75
  • Focus Ring Rotation Angle: 270°
  • Maximum Diameter: 79mm
  • Focus Ring Diameter: 77.6mm
  • Length: 84mm
  • Weight: Approximately 500g

Key Features

Versatile 35mm for Natural Cinematic Perspective — The 35mm focal length delivers a balanced S35 perspective for documentary, street, lifestyle, humanistic storytelling, and portrait scenes, making it a versatile everyday cine lens.

T1.2 Ultra-fast Aperture for Cinematic Depth — The bright T1.2 aperture performs beautifully in low light while creating shallow depth of field and smooth background separation, helping subjects stand out with a cinematic look.

0.4m Close Focus for Expressive Subject Shots — With a minimum focus distance of 0.4m, the lens handles close-up details and intimate compositions while maintaining a natural perspective for people and storytelling scenes.

High Sharpness with Smooth Manual Focus Control — Advanced optical construction helps maintain sharp detail with controlled aberration and minimal focus breathing. The 270° focus rotation provides precise, repeatable focus control for cinematic production.

L Mount compatibility — Designed for S35/APS-C cameras, compatible with Sigma fp, Panasonic S5, S5II, S5IIX, and BGH1 for cinematic video production.

Specifications

Model
SIRUI 35mm T1.2 Night Walker
Focus Length
35mm
Frame Coverage
APS-C/S35
Aperture Range
T1.2-T16
Lens Structure
11 elements in 10 groups
Aperture Blades
12
Minimum Focus Distance
0.4m
Filter Specification
M67*0.75
Focus Ring Rotation Angle
270°
Max. Diameter
79mm / 3.11 inches
Length
84mm / 3.3 inches
Weight
Around 500g

Frequently Asked Questions

The T1.2 large aperture is ideal for low-light filming, allowing you to capture pure, low-noise night scenes without needing extremely high ISO settings, and it also creates pleasing bokeh.
This lens is designed for S35 coverage (APS-C), meaning it is not a full-frame lens and will exhibit a crop or vignetting when used on full-frame cameras.
The Sirui Night Walker lens achieves outstanding optical performance even at its max aperture, delivering perfect sharpness, minimal focus breathing, and well-controlled aberration.
This lens features a strong aluminum cine housing, which makes it sturdy yet portable in hand, with a minimum weight of approximately 500g, designed to protect its inner optical elements.
The 35mm focal length, equivalent to a 49mm full-frame lens on S35, is well-suited for humanity, documentary, and portrait filming, offering a versatile perspective.