{
  "master": {
    "camera": [0, -5.5, 2.6],
    "target": [0, 0, 1.1],
    "focalLengthMm": 42
  },
  "a": {
    "camera": [1, -2.1, 1.8],
    "target": [-1, 0, 1.48],
    "focalLengthMm": 58
  },
  "b": {
    "camera": [-1, -2.1, 1.8],
    "target": [1, 0, 1.48],
    "focalLengthMm": 58
  },
  "b-crossed": {
    "camera": [-1, 2.1, 1.8],
    "target": [1, 0, 1.48],
    "focalLengthMm": 58
  }
}