Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
By Branpot profile image Branpot
5 min read

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens

Capture cinematic widescreen footage with the aid of an autofocus option using the Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens Review

Cinematographers and video creators seeking a high-quality anamorphic lens at an affordable price will find the Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens an excellent choice. Designed to enhance cinematic storytelling with a unique visual aesthetic, this lens provides stunning image quality, smooth bokeh, and versatile focusing options. With its compact form and lightweight build, it's a great option for filmmakers who want to achieve a professional anamorphic look without the bulk.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Video credit Sirui.

Features

Covers Super 35 | T1.8-T22 Aperture

The Sirui 40mm T1.8 lens is optimized for Super 35 sensors, delivering excellent coverage and image clarity. With an ultra-fast T1.8 aperture, it excels in low-light conditions, producing sharp images with beautiful depth of field. The T22 minimum aperture allows for extended depth when needed, making it a flexible option for various shooting scenarios.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Image credit Sirui.

Selectable Manual and Autofocus

Unlike many anamorphic lenses that only offer manual focus, this lens provides both manual and autofocus modes. This feature is particularly useful for hybrid shooters who need the precision of manual focus for controlled shots while benefiting from autofocus when shooting fast-moving subjects.

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Neutral Streak Flares

The 1.33x anamorphic squeeze of the lens produces subtle yet striking neutral streak flares, adding a cinematic touch without overpowering the scene. This natural flare effect enhances the image without being overly dramatic, making it suitable for a variety of filming styles.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Image credit Sirui.

Creates 2.35:1 Aspect Ratio in 16:9

When used on a 16:9 sensor, the lens outputs a 2.35:1 widescreen cinematic aspect ratio. This allows filmmakers to achieve the anamorphic look with increased horizontal field of view, adding depth and immersion to the footage.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Image credit Sirui.

0.8MOD Gearing/360° Focus Rotation

For professional rig compatibility, the lens includes 0.8MOD gear pitch on the focus ring, allowing seamless integration with follow-focus systems. The 360° focus rotation ensures precise manual focusing, giving filmmakers full control over their shots.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Image credit Sirui.

80mm Front Outside Diameter

With an 80mm front diameter, this lens supports standard matte boxes and filters, making it easy to integrate into professional camera setups without requiring additional adapters.

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Distinctive, Elliptical Bokeh

One of the most desirable traits of anamorphic lenses is the elliptical bokeh, and the Sirui 40mm does not disappoint. This unique bokeh shape enhances subject separation, creating a visually appealing background blur that adds character to any shot.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Image credit Sirui.

Compact, Lightweight Form

Weighing only 1.4 lbs, this lens is ideal for handheld shooting, gimbal work, and run-and-gun filmmaking. Despite its lightweight build, it maintains durability and solid construction for professional use.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Image credit Sirui.

Stepped and Stepless Aperture Settings

The lens supports both stepped and stepless aperture control, making it versatile for photographers and videographers alike. The stepless setting is particularly useful for smooth exposure adjustments during video recording.

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Camera Mounts Available

The Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens is available in multiple camera mounts, including Sony E, Canon RF, Nikon Z, and L-Mount. This ensures compatibility with a wide range of mirrorless cameras, giving filmmakers the flexibility to use the lens with their preferred system.

Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens
Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, Image credit Sirui.

Over all

The Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens offers an incredible balance of affordability, performance, and versatility. Its combination of autofocus, compact design, and cinematic aesthetics makes it a valuable addition to any filmmaker’s kit. Whether you’re shooting narrative films, commercials, or music videos, this lens provides an immersive anamorphic look that elevates your visuals to a professional level.


More information and to purchase please visit the official product page.

SIRUI 40mm T1.8 1.33X S35 Frame Autofocus Anamorphic Lens
STM Motor Fast Autofocus 40mm All- around Focal Length 1.33x Constant Magnification T1.8 Fast Aperture Creamy Bokeh 614g Super Compact Two Optional Flares Blue/Neutral Flare Cinematic Look Wide-screen 2.35:1 Advanced STM motor is added to achieve fast, accurate autofocus and eye focus, allowing you to focus on the subj
By Branpot profile image Branpot
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Lenses