Canon EOS 850D
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
- Image Engineering GmbH & Co. KG
- Source
- Image Engineering spectral sensitivities workbook (April 2024) (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-ie2024-canon-eos-850d-t-occ7(unknown) — unknown- Normalisation
- unknown (original: unknown)
- Response unit / scale
unknown/unknown- Sample count
- 135 samples from 380–1050 nm, Δ 5 nm
- Profile ID
prf-ie2024-canon-eos-850d-t-occ7@1- Profile checksum
sha256:9a446232d8f45fea…- Processing
- source_column=T
- 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
- Image Engineering GmbH & Co. KG, Spectral sensitivities workbook (April 2024).
- 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
- 24.1 MP
- Resolution
- 6000 × 4000 px
- Lens mount
- Canon EF-S
- Release year
- 2020
Specification sources
Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.
Source: Wikipedia infobox MediaWiki revision 1330722533 (CC BY-SA 4.0)
Also known as: Canon EOS Kiss X10i · Canon EOS Rebel T8i.
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
- 2 profile revisions
Raw samples (R/G/B at native wavelengths)
prf-ie2024-canon-eos-850d-t-occ7(revision 1)Raw samples for prf-ie2024-canon-eos-850d-t-occ7 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 380 0.0158266835 0.0474022258 0.1407549465 385 0.0098786968 0.0291931885 0.0733582618 390 0.0039307102 0.0109841511 0.0059615771 395 0.0034726833 0.0091252588 0.0065782323 400 0.0030146565 0.0072663664 0.0071948875 405 0.0042560102 0.0106856342 0.042239654 410 0.0059222091 0.015424442 0.0858914484 415 0.008745509 0.0370790175 0.2394120103 420 0.0115688089 0.0587335931 0.3929325723 425 0.0107279235 0.068805474 0.4869032206 430 0.007444248 0.0711555585 0.5411739264 435 0.0061412002 0.0882448736 0.6047697218 440 0.0048381523 0.1053341888 0.6683655172 445 0.005155725 0.1179728127 0.7047498416 450 0.0062035043 0.1295415919 0.7281509143 455 0.008551489 0.1412816838 0.7268304516 460 0.0108994738 0.1530217757 0.7255099889 465 0.0141047867 0.2219326183 0.728492957 470 0.0173100997 0.290843461 0.7314759251 475 0.0267411912 0.4504721389 0.7198467157 480 0.0361722826 0.6101008168 0.7082175063 485 0.0464851272 0.7337343401 0.6717529418 490 0.0567979718 0.8573678635 0.6352883773 495 0.068958089 0.9176577615 0.5891253514 500 0.0811182061 0.9779476596 0.5429623254 505 0.093526546 0.9944475773 0.4783646127 510 0.1059969415 1 0.4091582284 515 0.1174007612 0.9874699886 0.3388536471 520 0.128507472 0.9778401703 0.277379739 525 0.1391685196 0.9725606417 0.2291518404 530 0.1498295672 0.9672811131 0.1809239419 535 0.1781435318 0.9678093469 0.1626333093 540 0.2058237566 0.9601387465 0.1449502887 545 0.2309690223 0.9196728101 0.1296977165 550 0.2561142881 0.8792068736 0.1144451443 555 0.2831898325 0.8363310365 0.1014059221 560 0.3102653769 0.7934551994 0.0883667 565 0.3515772401 0.7369181837 0.0789714679 570 0.396448183 0.6769658735 0.0704872332 575 0.4956213936 0.6215357038 0.0658284773 580 0.5809164371 0.5636651879 0.061732107 585 0.6250308796 0.50043835 0.0570447608 590 0.6691453222 0.4372115122 0.0523574146 595 0.6504583115 0.3654323616 0.0456610871 600 0.6317713008 0.293653211 0.0389647596 605 0.60233248 0.2261524288 0.0324795365 610 0.5567659441 0.1650691989 0.0263109699 615 0.5170578436 0.1226788457 0.0220734479 620 0.4812553669 0.0927504102 0.019123289 625 0.4434444037 0.0771425187 0.0178293624 630 0.4056334405 0.0615346273 0.0165354358 635 0.3830245768 0.0560005114 0.0164588545 640 0.3604157132 0.0504663955 0.0163822731 645 0.3253923087 0.0438614722 0.0160807425 650 0.287265269 0.036988847 0.0157229745 655 0.2515271719 0.0321087341 0.0154970194 660 0.2173817031 0.0285569626 0.0153589395 665 0.1786642698 0.0253434528 0.0138008869 670 0.1374449966 0.0214259514 0.0117515008 675 0.0862183635 0.0146924839 0.0077367804 680 0.0470854268 0.0091398526 0.0045432303 685 0.0260930347 0.0053584756 0.0025814354 690 0.0085107643 0.002165347 0.0009571527 695 0.0045689801 0.0013252117 0.0006829185 700 0.0013588177 0.0006538947 0.0004660525 705 0.0010751425 0.0006578505 0.0004786594 710 0.0007914673 0.0006618064 0.0004912663 715 0.0006812435 0.0006245941 0.0005890717 720 0.0006099879 0.0005771067 0.0006688025 725 0.0005211533 0.0005296873 0.0005910366 730 0.0004323187 0.0004822678 0.0005132708 735 0.0003676204 0.0005118091 0.0005251382 740 0.0003586637 0.0005419016 0.0005563166 745 0.0004333194 0.0005728212 0.0006164613 750 0.000507975 0.0006037408 0.0006766061 755 0.0005290179 0.0006247876 0.0006552698 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 — — — prf-solomatov-pred-canon-eos-850d-7e1c323623b9(revision 1)Raw samples for prf-solomatov-pred-canon-eos-850d-7e1c323623b9 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0035315743 0.0049811387 0.012927515 410 0.005860256 0.008243104 0.030442785 420 0.0061300104 0.01533029 0.07218089 430 0.0000014903599 0.024705784 0.1223108 440 0.0000026718806 0.034364644 0.15549105 450 0.00001580228 0.043988153 0.17809628 460 0.005031178 0.059326865 0.19458123 470 0.0104170935 0.08676404 0.19595072 480 0.019140875 0.121262096 0.18382446 490 0.020827435 0.15487556 0.1575529 500 0.019876491 0.19266205 0.122560054 510 0.020068707 0.23476902 0.089613184 520 0.019551072 0.2633897 0.06162711 530 0.015168421 0.27109486 0.0434436 540 0.007918342 0.26420477 0.03708146 550 0.0056078197 0.24583782 0.0329618 560 0.022124311 0.21912576 0.03183833 570 0.089178234 0.18300714 0.02885187 580 0.17065106 0.14328212 0.023899822 590 0.20367669 0.105048954 0.017951969 600 0.19432157 0.07139516 0.013392651 610 0.17449442 0.04627849 0.009680582 620 0.14946775 0.032378525 0.0059456835 630 0.12590885 0.023500336 0.0029349697 640 0.1053051 0.017034935 0.00022485637 650 0.0828114 0.012028294 0.00007539932 660 0.06246407 0.009806325 0.00004285609 670 0.040593766 0.005686723 0.000021065209 680 0.022055589 0.0031086684 0.000051097402 690 0.009200814 0.0027184933 0.0000032537075 700 0.0065182587 0.0010651553 0.000022270837