Luxar Viewer API Documentation - v2026.9.22
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    Module ui/rendering-controls/fov-utils

    Pure FOV / focal-length conversion helpers used by the camera section of the rendering-controls panel.

    Extracted from camera-setup.ts so the optical math is unit-testable without instantiating a SceneManager or a GUI.

    FILM_35MM_SENSOR_WIDTH_MM
    fovToFocalLength
    focalLengthToFov