{
  "visible_center_mm": [
    0,
    2
  ],
  "previous_visible_center_mm": [
    0,
    5
  ],
  "downward_change_mm": 3,
  "visible_diameter_mm": 4.7,
  "shell_aperture_mm": 4.9,
  "original_rear_collector_retained": true,
  "internal_led_and_coupler_moved": false,
  "status": "Single connected lens solid. Offset optical output requires physical brightness/uniformity qualification."
}