The Sigma Aizu Prime 125mm T1.3 LF Cinema Lens (Sony E, Feet) brings the expressive telephoto character of Sigma's Aizu Prime series to professional Sony E-mount cinema workflows. Designed for full-frame and large-format cameras, this 125mm prime combines a long focal length with an exceptionally fast T1.3 aperture, giving cinematographers extensive control over subject separation, depth of field, and low-light imagery.
The Aizu Prime series is designed around an organic, moderately sharp rendering that emphasizes natural cinematic character rather than an overly clinical appearance. With its 125mm focal length, the lens creates pronounced telephoto compression that helps visually separate subjects from their surroundings, making it especially effective for close-ups, portraits, dialogue scenes, beauty work, and detailed compositions.
Its ultrafast T1.3 maximum aperture provides exceptionally shallow depth of field, allowing filmmakers to precisely guide the viewer's attention while creating smooth transitions between focused subjects and surrounding elements. Combined with the 125mm perspective, the wide aperture enables powerful subject isolation while providing additional flexibility for available-light and low-light productions.
Engineered with minimal distortion and coverage for full-frame and large-format sensors, the 125mm maintains the refined visual qualities established throughout the Aizu Prime family. The consistent T1.3 aperture across the series also helps cinematographers maintain predictable exposure and a cohesive visual language when moving between different focal lengths.
Combining long-lens compression, large-format coverage, ultrafast T1.3 performance, and Sigma's distinctive organic rendering, the Sigma Aizu Prime 125mm T1.3 LF Cinema Lens for Sony E-mount is a premium choice for narrative filmmaking, commercials, music videos, portraits, and other professional productions where expressive subject isolation is a priority.
Lens Metadata
Each Sony E-mount Aizu prime lens uses Sony technology that provides real-time lens metadata while shooting. It also lets you export distortion and shading correction data to assist in post and visual effects production.
Full-Frame Coverage
With an image circle of 46.3mm, Aizu primes cover not only full-frame and Super 35 sensors but are compatible with large-format camera options like ARRI ALEXA LF Open Gate and VistaVision.
Consistent Look Across Series
Offering a quietly elegant and natural look, all Aizu focal lengths produce a consistent look with minimal breathing and distortion and balanced color, contrast, and flare characteristics.
Impressive Close-Ups
Short minimum focus distances help you cozy up to your subject, creating impactful close-ups and adding visual tension.
Compact and Lightweight Design
Developed from the Sigma High-Speed Prime series, the Aizu lenses' cine-style design features a lightweight, compact form, 0.8 MOD gears that are compatible with professional lens control systems, and a support foot with both 1/4"-20 and 3/8"-16 threads. The durable housing has a wide 270° barrel rotation that enables precise focus pulls.
114mm Front Diameter
The front outside diameter of 114mm fits many pro matte boxes and lens shades.
Focus Marks in Feet
Focus distances are measured in feet, and like all marks on the Aizu lenses, use luminescent paint for easy visibility.
