ARRI B4 Lens Mount

Seamless Broadcast Lens Integration

The ARRI B4 Lens Mount enables the use of industry-standard 2/3 inch broadcast lenses on the ALEXA Mini and AMIRA. This high-performance adapter provides the necessary optical, mechanical, and electronic interfaces to bridge the gap between broadcast glass and cinema sensor technology.

Advanced Interface Support

Designed for professional production environments, this mount ensures full communication between the camera and the lens. It supports iris control and zoom demands while maintaining the optical integrity required for high-quality imaging.

• Optical Correction: Integrated optics to adapt 2/3 inch image circles for cinema sensors.
• Electronic Communication: Full support for lens metadata and electronic control.
• Robust Construction: Built to ARRI standards for secure and stable lens seating.