{
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    "source_av": 22.0,
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        "gt/135/135_f20.JPG"
    ],
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    "focal_length": 53,
    "ISO": 100,
    "EV": 13.125,
    "focus_plane_distance": 0.9299999999999999,
    "focus_plane_uncertainty": 0.02999999999999997
}