{ "schema_version": "camera-spectra-application-export-1", "profile_id": "prf-ie2024-nikon-z-fc-hd-occ71", "profile_revision": 1, "exports": { "xspd": "/application-data/prf-ie2024-nikon-z-fc-hd-occ71-r1.xspd", "siril": null, "metadata": "/application-data/prf-ie2024-nikon-z-fc-hd-occ71-r1.metadata.json", "xspd_reason": null, "siril_reason": "The source does not establish a sensor-only response. A Siril sensor export would misrepresent its physical scope; use CSV or source JSON.", "siril_estimated": "/application-data/prf-ie2024-nikon-z-fc-hd-occ71-r1.estimated.siril.json", "siril_estimated_alternative": "/application-data/prf-ie2024-nikon-z-fc-hd-occ71-r1.alternative-estimate.siril.json", "siril_estimated_reason": null, "siril_estimated_note": "Estimated relative photon response. Assumes the source values describe energy response. Source optics remain unseparated; calibration accuracy is unverified.", "notes": [ "XSPD contains the longest uninterrupted native range of each channel. Gaps and omitted samples remain in CSV and source JSON." ] }, "siril_assessment": null, "siril_estimate": { "primary": { "channels": [ { "channel": "red", "wavelengths": [ 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 460, 465, 470, 475, 480, 485, 490, 495, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 550, 555, 560, 565, 570, 575, 580, 585, 590, 595, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 650, 655, 660, 665, 670, 675, 680, 685, 690, 695, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 750, 755 ], "values": [ 0.014226315789473684, 0.008122077922077923, 0.0021743589743589745, 0.0014759493670886076, 0.0009274999999999999, 0.0009160493827160493, 0.0010341463414634147, 0.0021710843373493973, 0.003154761904761905, 0.018082352941176473, 0.034265116279069766, 0.04337471264367816, 0.05227727272727273, 0.04740224719101124, 0.04334222222222222, 0.04205054945054945, 0.041593478260869565, 0.044337634408602146, 0.047023404255319146, 0.050098947368421055, 0.05200625, 0.05015876288659794, 0.04834897959183673, 0.050537373737373735, 0.052682, 0.05845742574257426, 0.0640156862745098, 0.08150679611650487, 0.0962153846153846, 0.1070095238095238, 0.1176, 0.09440934579439252, 0.07478888888888889, 0.06019633027522935, 0.04818181818181819, 0.04536036036036036, 0.042683928571428574, 0.054688495575221235, 0.07020175438596492, 0.19319652173913043, 0.32238620689655173, 0.4617794871794872, 0.5680881355932204, 0.5509327731092437, 0.5340633333333333, 0.49644793388429753, 0.44563442622950816, 0.4144341463414634, 0.3861306451612903, 0.3487824, 0.31421428571428567, 0.289288188976378, 0.2647515625, 0.23714418604651166, 0.20988, 0.18327480916030536, 0.1571530303030303, 0.12911278195488723, 0.10433880597014925, 0.08425037037037036, 0.06157352941176471, 0.034972262773722625, 0.012673913043478261, 0.006482014388489209, 0.0015142857142857143, 0.001052482269503546, 0.0005971830985915494, 0.00037062937062937065, 0.00029444444444444445, 0.00021931034482758618, 0.0001452054794520548, 0.00014421768707482995, 0.00014324324324324327, 0.00014228187919463088, 0.00014133333333333334, 0.0001403973509933775 ] }, { "channel": "green", "wavelengths": [ 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 460, 465, 470, 475, 480, 485, 490, 495, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 550, 555, 560, 565, 570, 575, 580, 585, 590, 595, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 650, 655, 660, 665, 670, 675, 680, 685, 690, 695, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 750, 755 ], "values": [ 0.0477, 0.03001038961038961, 0.012638461538461538, 0.009660759493670885, 0.0067575000000000005, 0.004318518518518518, 0.0018097560975609756, 0.004214457831325302, 0.006561904761904762, 0.04788705882352941, 0.09798837209302326, 0.14730344827586206, 0.19537727272727276, 0.20902247191011236, 0.22601555555555553, 0.25731208791208793, 0.29449565217391305, 0.35686666666666667, 0.4149787234042553, 0.4603747368421053, 0.49952500000000005, 0.5167773195876288, 0.5335693877551021, 0.617048484848485, 0.698858, 0.7602613861386138, 0.8204607843137254, 0.9004854368932038, 0.95665, 0.9785314285714286, 1, 0.9886728971962617, 0.966562962962963, 0.9286183486238532, 0.88828, 0.8363495495495495, 0.7853464285714286, 0.7035398230088495, 0.6152649122807017, 0.5489878260869565, 0.4804724137931035, 0.4081452991452992, 0.3379423728813559, 0.27248235294117645, 0.20811333333333332, 0.15453223140495867, 0.10825901639344263, 0.08376585365853659, 0.06633548387096774, 0.0550352, 0.045092063492063496, 0.03989606299212598, 0.0348640625, 0.030896124031007752, 0.02690769230769231, 0.024274809160305343, 0.021922727272727274, 0.02000451127819549, 0.01819402985074627, 0.01656740740740741, 0.013483823529411763, 0.008124087591240876, 0.0036101449275362323, 0.0019064748201438851, 0.0006057142857142858, 0.000451063829787234, 0.0002985915492957747, 0.00022237762237762234, 0.00014722222222222223, 0.00014620689655172415, 0.0000726027397260274, 0.00014421768707482995, 0.00014324324324324327, 0.00014228187919463088, 0.00014133333333333334, 0.0001403973509933775 ] }, { "channel": "blue", "wavelengths": [ 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 460, 465, 470, 475, 480, 485, 490, 495, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 550, 555, 560, 565, 570, 575, 580, 585, 590, 595, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 650, 655, 660, 665, 670, 675, 680, 685, 690, 695, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 750, 755 ], "values": [ 0, 0, 0, 0, 0.0014575000000000002, 0.002748148148148148, 0.0040073170731707315, 0.01839036144578313, 0.032304761904761906, 0.22883529411764705, 0.4582651162790698, 0.6522045977011494, 0.8417363636363636, 0.8662224719101123, 0.8856888888888889, 0.886556043956044, 0.8875195652173913, 0.8885763440860215, 0.8808148936170213, 0.8379578947368421, 0.7908041666666666, 0.7237505154639176, 0.6580653061224491, 0.5808585858585859, 0.5050899999999999, 0.434180198019802, 0.3646607843137255, 0.2971087378640777, 0.23880576923076924, 0.19362666666666667, 0.1493, 0.12323738317757009, 0.1005037037037037, 0.08246605504587157, 0.06533454545454545, 0.050612612612612615, 0.036153571428571424, 0.027297345132743362, 0.019991228070175438, 0.017236521739130435, 0.014620689655172414, 0.01232136752136752, 0.010061016949152542, 0.00855126050420168, 0.006978333333333335, 0.005781818181818181, 0.0047786885245901635, 0.00448130081300813, 0.004445161290322581, 0.0045792, 0.0047952380952380955, 0.005174803149606298, 0.005465625, 0.006244961240310078, 0.007093846153846154, 0.007363358778625955, 0.007628787878787879, 0.0070135338345864665, 0.006249253731343284, 0.00526074074074074, 0.003975, 0.002243795620437956, 0.0007681159420289855, 0.000381294964028777, 0.00007571428571428573, 0.00007517730496453902, 0.00007464788732394367, 0.00007412587412587413, 0.00007361111111111111, 0.00007310344827586208, 0.0000726027397260274, 0.00007210884353741498, 0.00007162162162162163, 0.00007114093959731544, 0.00007066666666666667, 0.00007019867549668874 ] } ], "interpretation": "energy_response", "basis": "The source quantity is not established; energy response is the explicit primary assumption, with a photon-response alternative for sensitivity comparison. Numeric values and profile naming cannot prove source units or optical scope.", "metadata": { "status": "estimated", "original_response_unit": "unknown", "original_response_scale": "unknown", "original_response_scope": "unknown", "source_attribution": "Image Engineering GmbH & Co. KG; Image Engineering spectral sensitivities workbook (April 2024); src-ie-202404-private; Image Engineering GmbH & Co. KG, Spectral sensitivities workbook (April 2024).; https://image-engineering.de/", "source_positive_peak": 1, "input_scale_hint": "normalized_or_fractional", "normalization": "one shared positive maximum across all channels", "normalization_divisor": 0.0018867924528301887, "method_version": "camera-spectra-siril-estimate-v1", "uncertainty": "unknown", "effective_camera_detection_model": true, "optical_transmission_separated": false, "interchannel_scale_comparability": "unknown; channel ratios inherit original possibly incomparable scales", "quantity_evidence_uri": null, "retained_channel_intervals_nm": [ { "channel": "red", "minimum": 380, "maximum": 755 }, { "channel": "green", "minimum": 380, "maximum": 755 }, { "channel": "blue", "minimum": 380, "maximum": 755 } ], "repairs": { "conflicting_duplicate_groups_merged": 0, "identical_duplicate_samples_removed": 0, "negative_samples_floored": 0, "negative_magnitude_total": 0, "bounded_nulls_interpolated": 0, "trimmed_null_samples": 177, "documented_gap_samples_omitted": 0, "partial_channels": [ "red", "green", "blue" ] } } }, "alternative": { "channels": [ { "channel": "red", "wavelengths": [ 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 460, 465, 470, 475, 480, 485, 490, 495, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 550, 555, 560, 565, 570, 575, 580, 585, 590, 595, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 650, 655, 660, 665, 670, 675, 680, 685, 690, 695, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 750, 755 ], "values": [ 0.0102, 0.0059, 0.0016, 0.0011, 0.0007, 0.0007, 0.0008, 0.0017, 0.0025, 0.0145, 0.0278, 0.0356, 0.0434, 0.0398, 0.0368, 0.0361, 0.0361, 0.0389, 0.0417, 0.0449, 0.0471, 0.0459, 0.0447, 0.0472, 0.0497, 0.0557, 0.0616, 0.0792, 0.0944, 0.106, 0.1176, 0.0953, 0.0762, 0.0619, 0.05, 0.0475, 0.0451, 0.0583, 0.0755, 0.2096, 0.3528, 0.5097, 0.6324, 0.6185, 0.6046, 0.5667, 0.5129, 0.4809, 0.4517, 0.4113, 0.3735, 0.3466, 0.3197, 0.2886, 0.2574, 0.2265, 0.1957, 0.162, 0.1319, 0.1073, 0.079, 0.0452, 0.0165, 0.0085, 0.002, 0.0014, 0.0008, 0.0005, 0.0004, 0.0003, 0.0002, 0.0002, 0.0002, 0.0002, 0.0002, 0.0002 ] }, { "channel": "green", "wavelengths": [ 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 460, 465, 470, 475, 480, 485, 490, 495, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 550, 555, 560, 565, 570, 575, 580, 585, 590, 595, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 650, 655, 660, 665, 670, 675, 680, 685, 690, 695, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 750, 755 ], "values": [ 0.0342, 0.0218, 0.0093, 0.0072, 0.0051, 0.0033, 0.0014, 0.0033, 0.0052, 0.0384, 0.0795, 0.1209, 0.1622, 0.1755, 0.1919, 0.2209, 0.2556, 0.3131, 0.368, 0.4126, 0.4524, 0.4729, 0.4933, 0.5763, 0.6593, 0.7244, 0.7895, 0.875, 0.9386, 0.9693, 1, 0.998, 0.9848, 0.9549, 0.9218, 0.8758, 0.8298, 0.75, 0.6617, 0.5956, 0.5258, 0.4505, 0.3762, 0.3059, 0.2356, 0.1764, 0.1246, 0.0972, 0.0776, 0.0649, 0.0536, 0.0478, 0.0421, 0.0376, 0.033, 0.03, 0.0273, 0.0251, 0.023, 0.0211, 0.0173, 0.0105, 0.0047, 0.0025, 0.0008, 0.0006, 0.0004, 0.0003, 0.0002, 0.0002, 0.0001, 0.0002, 0.0002, 0.0002, 0.0002, 0.0002 ] }, { "channel": "blue", "wavelengths": [ 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 460, 465, 470, 475, 480, 485, 490, 495, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 550, 555, 560, 565, 570, 575, 580, 585, 590, 595, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 650, 655, 660, 665, 670, 675, 680, 685, 690, 695, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 750, 755 ], "values": [ 0, 0, 0, 0, 0.0011, 0.0021, 0.0031, 0.0144, 0.0256, 0.1835, 0.3718, 0.5353, 0.6988, 0.7273, 0.752, 0.7611, 0.7703, 0.7796, 0.7811, 0.751, 0.7162, 0.6623, 0.6084, 0.5425, 0.4765, 0.4137, 0.3509, 0.2887, 0.2343, 0.1918, 0.1493, 0.1244, 0.1024, 0.0848, 0.0678, 0.053, 0.0382, 0.0291, 0.0215, 0.0187, 0.016, 0.0136, 0.0112, 0.0096, 0.0079, 0.0066, 0.0055, 0.0052, 0.0052, 0.0054, 0.0057, 0.0062, 0.0066, 0.0076, 0.0087, 0.0091, 0.0095, 0.0088, 0.0079, 0.0067, 0.0051, 0.0029, 0.001, 0.0005, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001 ] } ], "interpretation": "photon_response", "basis": "Alternative photon-response source-quantity assumption applied to the same numeric samples; this is a sensitivity comparison, not a probability or claim that the source measured this quantity.", "metadata": { "status": "estimated", "original_response_unit": "unknown", "original_response_scale": "unknown", "original_response_scope": "unknown", "source_attribution": "Image Engineering GmbH & Co. KG; Image Engineering spectral sensitivities workbook (April 2024); src-ie-202404-private; Image Engineering GmbH & Co. KG, Spectral sensitivities workbook (April 2024).; https://image-engineering.de/", "source_positive_peak": 1, "input_scale_hint": "normalized_or_fractional", "normalization": "one shared positive maximum across all channels", "normalization_divisor": 1, "method_version": "camera-spectra-siril-estimate-v1", "uncertainty": "unknown", "effective_camera_detection_model": true, "optical_transmission_separated": false, "interchannel_scale_comparability": "unknown; channel ratios inherit original possibly incomparable scales", "quantity_evidence_uri": null, "retained_channel_intervals_nm": [ { "channel": "red", "minimum": 380, "maximum": 755 }, { "channel": "green", "minimum": 380, "maximum": 755 }, { "channel": "blue", "minimum": 380, "maximum": 755 } ], "repairs": { "conflicting_duplicate_groups_merged": 0, "identical_duplicate_samples_removed": 0, "negative_samples_floored": 0, "negative_magnitude_total": 0, "bounded_nulls_interpolated": 0, "trimmed_null_samples": 177, "documented_gap_samples_omitted": 0, "partial_channels": [ "red", "green", "blue" ] } } }, "diagnostics": { "source_family_prior": "none", "primary_basis": "energy_response_assumption", "interpretation_difference_rms": 0.033943513324523694, "comparison_sample_count": 228, "comparison_limitations": "sampled-assumption difference only; not uncertainty bounds and excludes optics, gain, and measurement-error uncertainty", "observed_channel_diagnostics": [ { "channel": "red", "positive_peak_wavelength_nm": 590, "positive_response_centroid_nm": 597.5744596594343, "observed_nir_to_visible_mean_ratio": null, "note": "descriptive numeric summary only; does not identify optical filtering or physical units" }, { "channel": "green", "positive_peak_wavelength_nm": 530, "positive_response_centroid_nm": 531.4128869777091, "observed_nir_to_visible_mean_ratio": null, "note": "descriptive numeric summary only; does not identify optical filtering or physical units" }, { "channel": "blue", "positive_peak_wavelength_nm": 470, "positive_response_centroid_nm": 476.5006036957374, "observed_nir_to_visible_mean_ratio": null, "note": "descriptive numeric summary only; does not identify optical filtering or physical units" } ] } }, "transformations": { "xspd": "Longest uninterrupted native run per channel; no interpolation, padding, rescaling or default replacement. Repeated identical wavelength/value pairs removed.", "siril": "Source scales and channel grids retained. Pairs sorted by wavelength and repeated identical wavelength/value pairs removed.", "siril_estimated": "Derived relative photon-response model with documented source-quantity assumptions, numeric repairs and shared RGB normalization. Original samples and unknown source metadata are preserved separately." }, "compatibility": "Format validation does not establish calibration accuracy or a complete optical response.", "original": { "profile": { "attribution_required": null, "blue": [ 0, 0, 0, 0, 0.0011, 0.0021, 0.0031, 0.0144, 0.0256, 0.1835, 0.3718, 0.5353, 0.6988, 0.7273, 0.752, 0.7611, 0.7703, 0.7796, 0.7811, 0.751, 0.7162, 0.6623, 0.6084, 0.5425, 0.4765, 0.4137, 0.3509, 0.2887, 0.2343, 0.1918, 0.1493, 0.1244, 0.1024, 0.0848, 0.0678, 0.053, 0.0382, 0.0291, 0.0215, 0.0187, 0.016, 0.0136, 0.0112, 0.0096, 0.0079, 0.0066, 0.0055, 0.0052, 0.0052, 0.0054, 0.0057, 0.0062, 0.0066, 0.0076, 0.0087, 0.0091, 0.0095, 0.0088, 0.0079, 0.0067, 0.0051, 0.0029, 0.001, 0.0005, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null ], "camera_id": "cam-ie2024-nikon-z-fc", "checksum": { "algorithm": "sha256", "covers": "canonical_profile_revision", "value": "4e5598d84d6d220bb0923812de74e2d3534c745431e5743f8c75ae47d46ad3bb" }, "citation": "Image Engineering GmbH & Co. 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KG", "source_id": "src-ie-202404-private", "source_uri": "https://image-engineering.de/", "uncertainty": null, "updated_at": "2026-09-23T00:00:00Z", "validation_reason": "Source catalog entry recorded as 'measured' by the private intake; the canonical contract does not assert a per-record validation pass.", "validation_status": "unverified", "version_date": "2026-09-23", "wavelength_max": 1050, "wavelength_min": 380, "wavelength_unit": "nm", "wavelengths": [ 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, 450, 455, 460, 465, 470, 475, 480, 485, 490, 495, 500, 505, 510, 515, 520, 525, 530, 535, 540, 545, 550, 555, 560, 565, 570, 575, 580, 585, 590, 595, 600, 605, 610, 615, 620, 625, 630, 635, 640, 645, 650, 655, 660, 665, 670, 675, 680, 685, 690, 695, 700, 705, 710, 715, 720, 725, 730, 735, 740, 745, 750, 755, 760, 765, 770, 775, 780, 785, 790, 795, 800, 805, 810, 815, 820, 825, 830, 835, 840, 845, 850, 855, 860, 865, 870, 875, 880, 885, 890, 895, 900, 905, 910, 915, 920, 925, 930, 935, 940, 945, 950, 955, 960, 965, 970, 975, 980, 985, 990, 995, 1000, 1005, 1010, 1015, 1020, 1025, 1030, 1035, 1040, 1045, 1050 ] }, "source": { "authors": [ "Image Engineering GmbH & Co. KG" ], "citation_text": "Image Engineering GmbH & Co. KG, Spectral sensitivities workbook (April 2024).", "data_acquisition_method": "RGB columns in the owner-supplied workbook on its native 380-1050 nm, 5 nm grid; instrument, calibration, and lens are not identified.", "doi": null, "known_limitations": [ "source_category=measured", "permission_status is 'unknown' on the canonical License record (no independent operational clearance granted)." ], "license_id": "lic-src-ie-202404-private", "measurement_method": null, "normalization_method": null, "organization": "Image Engineering GmbH & Co. KG", "original_wavelength_coverage": { "maximum": 1050, "minimum": 380, "unit": "nm" }, "publication": null, "record_version": 1, "repository": "https://image-engineering.de/", "retrieved_date": "2026-09-23", "rights_notes": "The workbook was supplied by the project owner. The source license is unknown; no redistribution or downstream reuse grant is identified by the intake evidence.", "schema_version": "0.1.0-draft", "source_id": "src-ie-202404-private", "title": "Image Engineering spectral sensitivities workbook (April 2024)", "url": "https://image-engineering.de/", "version": "2024-04", "year": 2024 }, "license": { "attribution_required": null, "commercial_api_allowed": null, "commercial_use_allowed": null, "derivatives_allowed": null, "evidence_revision": "2024-04", "evidence_url": null, "license_id": "lic-src-ie-202404-private", "license_name": null, "license_url": null, "notes": "Canonical release: observed upstream license text is preserved verbatim on license_name/license_url when available; the operational permission_status is the literal 'unknown' because the owner-updated policy (2026-09-23) revoked the prior bespoke grants. 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