Image: Sigma Sigma has announced pricing and availability for the AF Cine Line 28-45mm T2 FF, its first autofocus cinema lens for full-frame cameras, which it teased earlier this year. The lens is based on the company's mirrorless 28-45mm F1.
8 DG DN Art lens, but Sigma says it has "completely redesigned electrical and mechanical parts to provide the focus and aperture drive features required for use with cinema cameras. "
The company says the lens has a clickless aperture ring and standard gears for use with follow-focus systems. Its autofocus system is driven by a linear motor, the same one found in the mirrorless version. Sigma says the E mount version will be compatible with Sony's Direct Manual Focus and AF Assist features, and with L mount cameras' AF+MF system.
Despite the much chunkier housing and gears, the cinema lens only weighs 60g more than the Art model.
The Sigma AF Cine Line 28-45mm T2 FF will be available in early November and will retail for $3399, a roughly $1900 premium over the mirrorless version.
Sigma Announces Pricing and Availability of First Lens in New AF Cine Line: 28-45mm T2 FF
Ronkonkoma, NY, September 9, 2025 – Sigma Corporation of America, the US subsidiary of Sigma Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, Japan), is pleased to introduce the Sigma AF Cine Line 28-45mm T2 FF, the first lens in the AF Cine Line and first Sigma Cine lens to feature autofocus capabilities.
Based on the optical formula of the 28-45mm F1. 8 DG DN | Art lens, the 28-45mm T2 FF is designed to support full-frame camera sensors with completely redesigned electrical and mechanical parts to provide the focus and aperture drive features required for use with cinema cameras. In addition, the appearance and build quality are representative of a premium cinema lens, with exceptional dust- and splash-resistant performance for use in varied environments.
Similar to the 28-45mm F1. 8 DG DN | Art, the autofocus of the 28-45mm T2 FF is driven by a High-response Linear Actuator (HLA) motor. For manual focus operation, this lens features a focus ring with a distance scale and fixed rotation range. It is compatible with DMF (Direct Manual Focus) and AF Assist on Sony E-mount, as well as the AF+MF function on L-Mount.
Weighing in at 960g*, the 28-45mm T2 FF is only 60g heavier than the 28-45mm F1. 8 DG DN | Art, and both lenses are the same length. The 28-45mm T2 FF is also compatible with 82mm front filters, as well as commercially available matte boxes with the addition of the optional clamp-on ring (sold separately).
The Sigma AF Cine 28-45mm T2 FF lens will be available in early November at authorized Sigma Cine Lens dealers in the US for Sony E-mount and L-Mount for a retail price of $3,399 USD.
* Measurements are for L-Mount
AF Cine Line 28-45mm T2 FF
Advanced optical design and outstanding rendering performance
Professional-grade mechanical design and operability
AF system with excellent tracking capability and near-silent operation
Available mounts: L-Mount, Sony E-mount
Supplied accessories: Front Cap LCF-82 IV, Rear Cap LCR III, Lens Support Foot SF-91
Launch: November 6, 2025
* Product appearance and specifications are subject to change.
* L-Mount is a registered trademark of Leica Camera AG.
* This product is developed, manufactured and sold based on the specifications of E-mount which was disclosed by Sony Corporation under the license agreement with Sony Corporation.
Revolutionizing cinema with the autofocus cine line
As the first AF-compatible Cine Lens series from Sigma, the Sigma AF Cine Line brings innovation to the film production scene.
Building on the optical system of Sigma’s Art lenses, the AF Cine Line offers exceptional rendering performance, along with high-precision autofocus with excellent tracking capability, combined with the ergonomics required for professional cinema production. This allows it to handle multiple shooting styles and on-set environments that were previously challenging with traditional still lenses or cine lenses.
The AF Cine Line, which embodies Sigma’s latest technology, expands the possibilities of visual expression and brings new possibilities to future film production.
KEY FEATURES
Advanced optical design and outstanding rendering performance
The optical systems of the Sigma 28-45mm T2 FF incorporate the designs of the highly acclaimed still lenses: the Sigma 28-45mm F1. 8 DG DN | Art. Combining the experience gained through years of lens design, the latest development technology, and the advanced manufacturing techniques of Sigma's sole production base, the Aizu factory, these lenses deliver exceptional resolution and beautiful bokeh regardless of focal length or focus position, along with a sharp, clean look with minimal flare and ghosting.
Professional-grade mechanical design and operability
Inheriting the rendering performance and reliability of Sigma’s Art lenses, the AF Cine Line integrates cinema-style mechanics and operability, optimized for professional cinema production. It features a limited-rotation focus ring, industry-standard 0. 8M pitch gears, and a clickless aperture ring to meet industry demands.
AF system with excellent tracking capability and near-silent operation
Equipped with a linear motor HLA (High-response Linear Actuator), the Sigma AF Cine Line captures intense movements in action scenes, rapid focus shifts in gimbal or handheld shooting, and unpredictable moments in documentaries without missing a split second, providing reliable support for filmmakers in various situations.
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