SI40AF133XLB

40AF133X-LB

Sirui

Autofocus Anamorphic Prime Combining the cinematic quality of 2.35:1 widescreen imagery with convenient subject-tracking autofocus, this Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens is a versatile lens designed for Super 35 Leica L-mount cameras. It ensures exceptional low-light performance and oval-shaped bokeh with a 1.33x squeeze factor.Compact Design with Autofocus Powered by a precision STM stepping motor, the Sirui 40mm delivers smooth, accurate, and quiet autofocus, a feature rarely found in anamorphic lenses. With eye-tracking capability and buttons for both focus mode and autofocus lock, the lens provides complete creative control. It incorporates a USB-C port for firmware updates, ensuring lasting performance. Compact and lightweight, the lens fits advanced technology and visual quality into a form factor ideal for handheld, gimbal, and run-and-gun shooting, making it a powerful tool for both independent creators and professional productions.Anamorphic Aesthetic with Blue Flares 1.33x squeeze factor for 2.35:1 images in 16:9 mode.Unique oval bokeh enhances subject separation and depth.Horizontal field of view equivalent to 22mm full-frame lens.Horizontal blue streak effects create a classic anamorphic look.Optical Performance A 37mm image circle covers Super 35 sensors or full frame with vignette.T1.8 to T22 aperture for low-light performance and depth of field control.23.6" minimum focus distance for close-up shots.Aspherical lens element minimizes chromatic aberration.Advanced Autofocus STM stepping motor for smooth, silent autofocus.Eye-tracking autofocus for reliable subject tracking.AF/MF switch to toggle between autofocus and manual focus.AF-Lock button to hold focus or recall custom focus settings.Practical Design Uniform gear positioning with Sirui 40mm AF Anamorphic Lens.Compact and lightweight design.360 focus throw with standard 0.8 MOD gearing.Versatile Compatibility Compatible with Leica L-mount camerasStandard 77mm front filter thread.Update lens firmware via the UCB-C port.