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Camera kits

ARRI UMC-4 controller for WCU-4 - for universal camera compatibility

UMC-4 controller to convert WCU-4 into a universally compatible WLCS system

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The Universal Motor Controller UMC-4 is an advanced 3-axis motor controller which converts the ARRI WCU-4 and WCU-4 for Alexa Mini into a universal WLCS (Wireless Lens Control System) compatible with all cameras.

WCU-4 3-axis WLCS package complete with UMC-4 option for universal compatibility

Up to three different hand units can connect to the UMC-4 at the same time, controlling focus, iris and zoom on any camera. The intuitive user interface helps to quickly setup the system and makes it easy to use. The high-quality outdoor antenna offers improved durability and reliable radio connectivity.

Lens Data

The UMC-4 incorporates the LDS Lens Data Archive and generates frame-accurate lens data with any lens. Lens data is used for lens mapping to pre-marked focus rings and depth-of-field display on the WCU-4 hand unit. It also enables focus tracking – setting the focus motor to continuously follow a subject by using an ultrasonic distance measurer. For VFX tasks in post, the UMC-4 records lens data with timecode, helping match the virtual lens to the recorded image.

Timecode

The UMC-4 supports internal and external timecode that is recorded with frame-accurate lens data onto SD card, making the lens data usable for postproduction. The internal timecode clock can be jam-synced from external devices, but can output LTC timecode as well.

Multiple Interfaces

The UMC-4 includes multiple interfaces for maximum flexibility on set. Two serial interfaces connect peripheral equipment such as ARRI’s UDM-1 distance measure or motion control systems. Optional connector modules interface directly with focus and zoom demands from Fujifilm and Canon. An Ethernet connector integrates the UMC-4 with standard IT equipment, allowing Ethernet-based system control and remote access to the lens data files on SD card. 

WCU-4 3-axis WLCS package complete with UMC-4 option for universal compatibility

The Universal Motor Controller UMC-4 is an advanced 3-axis motor controller which converts the ARRI WCU-4 and WCU-4 for Alexa Mini into a universal WLCS (Wireless Lens Control System) compatible with all cameras.

WCU-4 3-axis WLCS package complete with UMC-4 option for universal compatibility

Please read VMI's article: WLCS Systems, All you need to know to explore the question of how to choose between the various systems and to introduce the range of WLCS systems which VMI arguably considers the best in their field and explain why we think that they work very well in given scenarios.

 

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