Unreal Engine Virtual Production Camera

For reference, here is a list of camera parameters used by Unreal Engine for real-time Virtual Production. Some of these are calculated during the camera calibration process per lens. If the lens is a zoom, calibration needs to be done each time the zoom is mounted on the camera as the center point of the lens will change.

Camera:

• Position
• Rotation
• Sensor Width and Height

Lens:

• Lens Model Name

• Lens Serial Number

• Lens Model Type (Spherical)

• Focus Distance

• Aperture (F-Stop)

• Zoom

• Distortion K1..K6, P1, P2 ~ Brown-Conrady spherical distortion

• Lens Center X,Y ~ optical center relative to the sensor center

• Fx Fy ~ focal length x and y, in mm or OpenCV "focal pixels"

• Nodal Point Offset (Location, Rotation) ~ convergence point of light rays through a lens, offset from camera pose

  • Patrick Palmer