{
    "id": 1024,
    "source_image": "in/1024_f22.JPG",
    "source_av": 22.0,
    "target_images": [
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        "gt/1024/1024_f3.5.JPG",
        "gt/1024/1024_f8.0.JPG",
        "gt/1024/1024_f14.JPG"
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    "target_avs": [
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        3.2,
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        14.0
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    "focal_length": 28,
    "ISO": 100,
    "EV": 10.75,
    "focus_plane_distance": 0.75,
    "focus_plane_uncertainty": 0.020000000000000018
}