Canon EOS 50D
Response
- red (R)
- green (G)
- blue (B)
Astro mode
Emission-line overlay on the active single-profile plot. Values are the source's own native samples (or a labelled linear interpolation).
About this spectrum4 notes
- Warning: Response scope is unknown; do not interpret this response as a bare-sensor measurement. Dataset interpretation
- Warning: Physical configuration is not documented; the response cannot be assigned to a confirmed optical configuration. Dataset interpretation
- Warning: Normalization is unknown; amplitude comparisons are not established. Dataset interpretation
- Warning: Uncertainty is not documented. Missing uncertainty does not mean zero uncertainty. Dataset interpretation
Source & details
- Source category: measured
- Primary measurement: a direct laboratory observation (or community submission recorded as measured). Not a mirror, not an estimation.
- Type: measured
- Measured response; measurement alone does not establish quality or confidence.
- Origin: Community
- Community provenance; origin does not establish measurement type, quality or confidence.
- Quality: unassessed
- Quality has not been assessed; no grade is inferred. Canonical release: no per-leaf scientific-quality assessment is asserted; the source-side claim is preserved verbatim.
- Confidence: unassessed
- Confidence has not been assessed; no confidence level is inferred. Canonical release: no claim about the per-leaf measurement precision is asserted; the upstream 'as is' wording (where present) is preserved.
- Author
- Jun Jiang
- Source
- Jiang et al. WACV 2013 camera spectral sensitivity database (link)
- Source category
measured(primary measurement; not a mirror or estimation)- As-is
- Samples rendered verbatim: no smoothing, no interpolation, no zero-padding, no gap bridging in the browser. Documented null sparse cells render as visible gaps.
- Optical configuration
cfg-prf-jiang-intake-canon-50d(unknown) — unknown- Normalisation
- unknown (original: unknown)
- Response unit / scale
unknown/unknown- Sample count
- 33 samples from 400–720 nm, Δ 10 nm
- Profile ID
prf-jiang-intake-canon-50d@1- Profile checksum
sha256:a3d21e72867ce083…- Processing
- source_column=database:Canon 50D
- Scientific notes
- Canonical release: native grid and native R/G/B samples are preserved verbatim; sparse cells (wavelengths absent in the upstream CSV / JSON) are preserved as null; the parser never invents a value.
- Citation
- Jiang et al. WACV 2013 camera spectral sensitivity database
- Known limitations
- source_category=measured
- permission_status is 'unknown' on the canonical License record (no independent operational clearance granted).
Compare measurements
Overlay up to 4 measurements on the same chart. Each path uses its native grid; no interpolation, no averaging, no merge.
Graph tools
Inspect, zoom, export, and share the current chart. Native samples only — no interpolation, no averaging.
Channels
Zoom (nm)
Camera specifications
- Sensor type
- CMOS
- Sensor format
- APS-C
- Sensor size
- 22.3 x 14.9 mm
- Effective megapixels
- 15.1 MP
- Resolution
- 4752 × 3168 px
- Lens mount
- Canon EF-S
- Release year
- 2008
Specification sources
Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.
Source: Wikipedia infobox MediaWiki revision 1374202509 (CC BY-SA 4.0); Dataset commit 374a630bac7847f851b3746e82aa528262ef0b5c Dataset: CameraDatabase (unknown)
Also known as: Canon 50D.
Data details
- Dataset version
recovered-2026-10-01-siril-source-review-v2- Manifest digest
6493790d2d6b6b68…- Manifest schema
0.1.0-draft- Release kind
full- Linked profiles / sessions
- 4 profile revisions
Raw samples (R/G/B at native wavelengths)
prf-jiang-intake-canon-50d(revision 1)Raw samples for prf-jiang-intake-canon-50d (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0028702 0.0038429 0.019794 410 0.0041069 0.0084168 0.073244 420 0.011116 0.04719 0.50542 430 0.0073087 0.059687 0.74601 440 0.006094 0.07931 0.76997 450 0.0077521 0.101 0.865 460 0.011988 0.14369 0.93131 470 0.020974 0.29073 0.86648 480 0.040081 0.55534 0.82817 490 0.057985 0.71604 0.72488 500 0.078288 0.83415 0.57322 510 0.10762 0.96078 0.44985 520 0.12367 0.95231 0.29398 530 0.14337 1 0.22272 540 0.16177 0.90476 0.17535 550 0.21597 0.91429 0.15767 560 0.24571 0.77717 0.12188 570 0.31892 0.69504 0.11012 580 0.47163 0.59941 0.10481 590 0.5751 0.48003 0.094114 600 0.52469 0.30101 0.067215 610 0.50401 0.18953 0.050614 620 0.41372 0.10826 0.035484 630 0.36871 0.079299 0.030552 640 0.27449 0.055709 0.02425 650 0.24825 0.046082 0.023529 660 0.18265 0.03412 0.019692 670 0.12534 0.026783 0.015408 680 0.038161 0.010069 0.0053095 690 0.0071614 0.0023621 0.0011014 700 0.0015313 0.00062366 0.00028127 710 0.00041294 0.0001877 0.000095952 720 0.00013442 0.000076367 0.000056264 prf-sobotka-ref-canon50d-fb14e7b1e836(revision 1)Raw samples for prf-sobotka-ref-canon50d-fb14e7b1e836 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0028701693565000353 0.003842916263444129 0.019793864249997004 410 0.004106938041064703 0.008416831390233448 0.07324397637638451 420 0.011115619713672996 0.047190317191082624 0.5054176672265506 430 0.007308739765007445 0.059686988603149776 0.7460126511986367 440 0.006094029490554084 0.0793099266066607 0.7699697027779129 450 0.007752068198897845 0.10099789908261138 0.8649967763245155 460 0.01198840006620237 0.14369314721240076 0.9313134661215233 470 0.020973667408205637 0.29073061633128117 0.8664828943430856 480 0.04008082119224097 0.5553385151311881 0.8281693607253421 490 0.057984663729511346 0.7160377273005242 0.7248820795534994 500 0.07828813488280485 0.8341480006019985 0.5732202879158321 510 0.10761779591221789 0.9607761690572867 0.4498506744815639 520 0.12367113722657806 0.9523079000446656 0.29398039994952885 530 0.1433722330913842 1 0.22272030954402874 540 0.16177257223563132 0.90476165461305 0.17535050673230032 550 0.21596500632902546 0.9142897189156891 0.1576741497952567 560 0.24571190139769533 0.777171792260954 0.1218799213741104 570 0.3189230483422295 0.6950358032298162 0.11012399298322624 580 0.47162934062025286 0.5994102733227217 0.10480940524090786 590 0.5751048088144696 0.48003441684219383 0.09411366933330846 600 0.5246920948773854 0.30100936465356654 0.06721544169790644 610 0.5040094894167972 0.18952741071357548 0.05061368150785329 620 0.4137196455820551 0.10825626994463998 0.03548397890121445 630 0.36871187993671006 0.07929918301267343 0.0305516919250503 640 0.2744921023638448 0.05570887363306129 0.024250111663955267 650 0.24825286381937575 0.04608211176707357 0.02352904439360107 660 0.18264815789460892 0.03412025233778028 0.019691802453491676 670 0.1253351299025256 0.02678281032125903 0.015407628202153347 680 0.038161150685258806 0.010068708620526553 0.005309523127757498 690 0.0071614031356534566 0.00236206006288281 0.0011014354536617353 700 0.0015313440030645198 0.0006236560481375326 0.0002812678100182365 710 0.00041294377753714527 0.00018770103395981133 0.0000959516549665153 720 0.0001344225408764555 0.00007636723837141811 0.00005626431770542995 prf-solomatov-gt-canon-50d-jiang-et-al-2013-4f51db9abd6d(revision 1)Raw samples for prf-solomatov-gt-canon-50d-jiang-et-al-2013-4f51db9abd6d (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0028702 0.0038429 0.019794 410 0.0041069 0.0084168 0.073244 420 0.011116 0.04719 0.50542 430 0.0073087 0.059687 0.74601 440 0.006094 0.07931 0.76997 450 0.0077521 0.101 0.865 460 0.011988 0.14369 0.93131 470 0.020974 0.29073 0.86648 480 0.040081 0.55534 0.82817 490 0.057985 0.71604 0.72488 500 0.078288 0.83415 0.57322 510 0.10762 0.96078 0.44985 520 0.12367 0.95231 0.29398 530 0.14337 1 0.22272 540 0.16177 0.90476 0.17535 550 0.21597 0.91429 0.15767 560 0.24571 0.77717 0.12188 570 0.31892 0.69504 0.11012 580 0.47163 0.59941 0.10481 590 0.5751 0.48003 0.094114 600 0.52469 0.30101 0.067215 610 0.50401 0.18953 0.050614 620 0.41372 0.10826 0.035484 630 0.36871 0.079299 0.030552 640 0.27449 0.055709 0.02425 650 0.24825 0.046082 0.023529 660 0.18265 0.03412 0.019692 670 0.12534 0.026783 0.015408 680 0.038161 0.010069 0.0053095 690 0.0071614 0.0023621 0.0011014 700 0.0015313 0.00062366 0.00028127 prf-solomatov-pred-canon-eos-50d-1c9598190ba0(revision 1)Raw samples for prf-solomatov-pred-canon-eos-50d-1c9598190ba0 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0018966022 0.00470189 0.012531686 410 0.0038892557 0.006910967 0.031433642 420 0.0047183023 0.01310011 0.07442586 430 0.0003130107 0.021094851 0.12543465 440 0.00287301 0.02784527 0.16478087 450 0.0047116405 0.03401289 0.19412665 460 0.007074382 0.048642337 0.21497741 470 0.010169441 0.0792269 0.22095275 480 0.014935137 0.116444185 0.21296673 490 0.017768482 0.15412195 0.18384007 500 0.020546922 0.19767807 0.14393516 510 0.025751675 0.24513227 0.10380992 520 0.032098334 0.27464828 0.068990625 530 0.036667854 0.28211108 0.04535525 540 0.037370708 0.27158913 0.035974592 550 0.041878827 0.24887313 0.029401422 560 0.05253402 0.2181508 0.026958432 570 0.086665966 0.17920324 0.024196526 580 0.13468398 0.13708934 0.021449251 590 0.1616139 0.09558594 0.016470391 600 0.15491052 0.059688803 0.010947628 610 0.14003426 0.034613505 0.0062110615 620 0.11921707 0.021697702 0.003256275 630 0.099984735 0.015320873 0.0028103117 640 0.08131746 0.010446573 0.0026193843 650 0.063726574 0.0071964404 0.002450631 660 0.047938004 0.007014346 0.0027211483 670 0.031095222 0.00387803 0.001954455 680 0.01776538 0.001763154 0.0007836941 690 0.007401723 0.0018155583 0.0007247684 700 0.004713689 0.000500781 0.00052169