SIRUI 40mm T1.8 1.33X S35 AF Lens for Sony E (Neutral Flare)

The SIRUI 40mm T1.8 1.33X S35 Autofocus Anamorphic Lens delivers cinematic quality in a compact, lightweight design (614g). It features a fast T1.8 aperture for stunning low-light performance and creamy bokeh. This lens combines precision autofocus with manual control for creative flexibility. Its 1.33x squeeze factor captures 2.35:1 widescreen footage, while advanced optics minimise distortion and chromatic aberration. It is ideal for filmmakers seeking professional anamorphic results.

SIRUI 40mm T1.8 1.33X S35 AF Lens for Sony E (Neutral Flare) Key Features:

• 40mm T1.8 anamorphic lens with 1.33x squeeze factor for cinematic footage
• Available in Sony E, Nikon Z, Fujifilm X, and Micro Four-Thirds mounts
• Choice of blue or neutral flare options for creative versatility (available separately)
• Supports Super 35 sensors with a 37mm image circle
• Lightweight all-metal design weighing only 614g for handheld and gimbal shooting
• Fast T1.8 aperture for exceptional low-light performance and shallow depth of field
• Precision autofocus with support for tracking features, including eye-tracking
• Manual focus option with AF/MF switch for additional control
• CLICK switch for stepped or de-clicked aperture adjustments
• AFL button for focus lock or customisable functions
• Advanced optical design with 1 aspherical and 5 cylindrical elements
• Effectively minimises distortion and chromatic aberration
• Cine-style features include 80mm diameter, 0.8 MOD gears, and 360° focus rotation
• Supports EXIF metadata transfer and firmware updates via USB-C
• Please note: blue flare lens pictured, neutral flare has a silver ring

Expanded SIRUI 40mm T1.8 1.33X S35 AF Lens for Sony E (Neutral Flare) Key Features:

Professional Cinematic Visuals

SIRUI designed the 40mm T1.8 1.33X S35 Autofocus Anamorphic Lens to provide professional-grade cinematic visuals on Super 35 sensors. Its 1.33x squeeze factor transforms standard 16:9 footage into a striking 2.35:1 widescreen aspect ratio, ideal for immersive storytelling. Its 37mm image circle ensures seamless compatibility with modern Super 35 cameras, delivering sharp and detailed anamorphic footage.

Dual Focusing Flexibility

This lens offers precision autofocus and manual focus options to meet the demands of any shooting scenario. The autofocus is powered by an advanced STM motor, which is fast, quiet, and compatible with eye-tracking and focus-tracking technologies, ensuring accurate results. For more complex shots, switch to manual focus using the AF/MF toggle to allow precise adjustments by a focus puller or camera assistant. The AFL button adds further customisation, enabling focus lock or tailored functions.

Exceptional Optical Performance

The SIRUI 40mm T1.8 boasts a bright T1.8 maximum aperture, perfect for capturing low-light scenes with reduced noise and achieving a stunning shallow depth of field. Its advanced optical construction includes one aspherical and five cylindrical elements, minimising distortion and chromatic aberration for sharp, high-quality results. The lens produces classic anamorphic effects, including retro neutral flares, elliptical bokeh, and subtle edge distortion, adding a distinctive cinematic aesthetic to your visuals.

Designed for Natural Portraits

With a 0.6m minimum focus distance and 1.33x constant anamorphic design, SIRUI has engineered the 40mm T1.8 to capture portraits with exceptional realism. By minimising perspective distortion, it presents subjects in a natural and lifelike way, offering a perspective akin to the human eye. The fast T1.8 aperture enhances this effect, creating a beautifully shallow depth of field with a smooth, elliptical bokeh, perfect for cinematic portraiture.

Compact Cine-Style Design

Weighing just 614g, this lens combines portability with professional-grade performance, making it ideal for handheld and gimbal setups. Its compact, all-metal construction is robust yet lightweight, catering to demanding production environments. Cine-style features such as a standard 80mm front diameter, 0.8 MOD gear rings, and a 360° focus rotation enhance compatibility with industry-standard accessories, ensuring smooth integration into your production setup.

What's in the box?

• 1 x SIRUI 40mm T1.8 1.33X S35 Frame Autofocus Anamorphic Lens
• 1 x Pouch
• 1 x Strap
• 1 x Front Cap
• 1 x Rear Cap
• 1 x Warranty Card

FAQs:

Can I use filters with this lens?

The SIRUI 40mm T1.8 1.33X S35 Frame Autofocus Anamorphic Lens is compatible with 77mm filters, a standard size for photographic and video accessories. This compatibility allows users to attach polarising filters, ND filters, or other creative options to enhance their shooting conditions and achieve specific visual effects without additional adapters.

Can this lens be used with a matte box?

Yes, the SIRUI 40mm T1.8 1.33X S35 Frame Autofocus Anamorphic Lens is designed with an outer front diameter of 80mm, making it compatible with standard cine-style matte boxes. This feature ensures seamless integration into professional cinema setups, allowing for precise light and flare control while maintaining compatibility with industry-standard accessories.

Does the lens have geared rings for cine-style focus?

SIRUI has equipped the SIRUI 40mm T1.8 1.33X S35 Frame Autofocus Anamorphic Lens with standard 0.8 MOD gears on both the focus and aperture rings. These gears provide smooth and precise adjustments when paired with follow-focus systems. The 360° focus throw also allows for greater control and accuracy, making it ideal for intricate manual focus pulls in professional video production.

Does this lens support EXIF metadata transfer?

Yes, the SIRUI 40mm T1.8 1.33X S35 Frame Autofocus Anamorphic Lens features an electronic contact that enables EXIF metadata transfer to your camera. This feature allows critical lens settings, such as focal length and aperture, to be recorded directly in the file metadata, streamlining post-production workflows and ensuring accurate documentation for future reference.

How do I update the firmware?

Users can efficiently update the firmware via the lens's USB Type-C port. Simply download the latest firmware from SIRUI’s official website, connect the lens to your computer, and follow the instructions to ensure your lens has the latest features, optimisations, and compatibility enhancements.