test/metadata/139.json

{
    "id": 139,
    "source_image": "in/139_f22.JPG",
    "source_av": 22.0,
    "target_images": [
        "gt/139/139_f2.0.JPG",
        "gt/139/139_f3.5.JPG"
    ],
    "target_avs": [
        2.0,
        3.5
    ],
    "focal_length": 63,
    "ISO": 100,
    "EV": 12.5,
    "focus_plane_distance": 1.91,
    "focus_plane_uncertainty": 0.11999999999999988
}