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How it works

An LDT is connected directly to a Preston MDR, LCUBE, DXL CMotion FIZ module, Smart Lens or LDT-E1/E2. It reads the Focus, Iris and Zoom motor movements and translates this information into compatible data for the host camera. This metadata is then written directly into the RAW camera files in real-time. For virtual productions, this information can also be live-streamed into Unreal Engine, Stage Precision or Disguise.

Lens Metadata
Accurate frame by frame lens metadata allows VFX to easily create CG elements in the correct focal plane.
Unreal Engine

LDTs stream lens information to virtual production software, enabling real time alterations to the virtual set.

Film Clapper

Recorded lens data is valuable during production for matching previously shot footage.


Live, accurate lens data helps the camera department, script supervisors and VFX data wranglers from guessing the current position of each lens axis.


Lens data is recorded inside the RAW camera files which is retained downstream. For those times when this isn’t possible, the data can be recorded as a .CSV file on the LDT itself.


LDTs enable frame accurate overlay in real time on the SDI feed. The LDT-F1 also converts a composite SD signal to HD-SDI.


We provide a range of different devices for different cameras, working across virtual and post-production.


Find out how DCS can help you today >