ARRI Ultra Prime 40mm T2.1 Cinema Lens
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Key Features
Key Features
- Versatile Standard Focal Length: Natural perspective ideal for medium close-ups, two-shots, and dialogue scenes.
- Fast T2.1 Aperture: Provides consistent exposure, high contrast, and smooth focus roll-off.
- 11" Close Focus: Focuses as close as 0.28 m (11 in) for detailed close-ups and soft backgrounds.
- Lightweight & Compact: 117 mm (4.6 in) length and 1.3 kg (2.9 lb) for balanced rig setups.
- Standard 95 mm Front Diameter: Enables quick, hassle-free matte box and filter changes.
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Features & Specifications
Product Overview +
Precision Optics for Cinematic Storytelling
The 40 mm T2.1 prime lens is engineered to satisfy the strict requirements of high-end feature film, commercial, and broadcast productions. Delivering rich contrast, outstanding color rendition, and razor-sharp clarity, this lens provides a versatile bridge between wide and telephoto fields of view—optimized for modern 4K, 6K, and 8K cinema sensors.
Close-Range Framing Flexibility
Boasting a minimum focus distance of 0.28 m (11 inches) from the image plane, this optic gives cinematographers creative control over tight compositions. Film crews can smoothly move from medium coverage to close-up subject detail without changing lenses or sacrificing geometric accuracy.
Streamlined On-Set Workflow
With a lightweight build of 1.3 kg (2.9 lb) and an overall length of 117 mm (4.6 inches), the lens minimizes front-heavy torque on camera rigs and remote heads. Its uniform 95 mm front diameter and standardized gear ring positions ensure seamless integration with industry-standard follow focus units and wireless lens control motors.
Technical Specifications +
technical specifications

