Nikon D40
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-nikon-d40(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-nikon-d40@1- Profile checksum
sha256:04ecc0f5375ec675…- Processing
- source_column=database:Nikon D40
- 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
- CCD
- Sensor format
- APS-C
- Sensor size
- 23.7 x 15.6 mm
- Effective megapixels
- 6.1 MP
- Resolution
- 3008 × 2000 px
- Lens mount
- Nikon F-mount
- Release year
- 2006
Specification sources
Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.
Source: Wikipedia infobox MediaWiki revision 1339986747 (CC BY-SA 4.0); Dataset commit 374a630bac7847f851b3746e82aa528262ef0b5c Dataset: CameraDatabase (unknown)
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
- 3 profile revisions
Raw samples (R/G/B at native wavelengths)
prf-jiang-intake-nikon-d40(revision 1)Raw samples for prf-jiang-intake-nikon-d40 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.024961 0.034887 0.24055 410 0.021143 0.04937 0.40544 420 0.016001 0.064249 0.52555 430 0.013401 0.086794 0.67595 440 0.010463 0.10102 0.71895 450 0.0087063 0.13099 0.82801 460 0.0086141 0.18292 0.82871 470 0.013979 0.2921 0.7974 480 0.016986 0.38557 0.717 490 0.015455 0.42725 0.55303 500 0.020048 0.55215 0.36349 510 0.036633 0.78889 0.21781 520 0.074621 0.88258 0.085666 530 0.096479 1 0.035779 540 0.051559 0.9037 0.018275 550 0.031727 0.87539 0.01122 560 0.035235 0.69789 0.0059166 570 0.11061 0.57496 0.0037644 580 0.45053 0.38678 0.0033937 590 0.67508 0.26582 0.0029309 600 0.57488 0.11845 0.0017556 610 0.50065 0.048996 0.0010915 620 0.37559 0.019448 0.00074624 630 0.30117 0.010674 0.00056884 640 0.21377 0.0059683 0.00072842 650 0.1553 0.0034973 0.00059219 660 0.11482 0.0028521 0.00052411 670 0.078742 0.0031359 0.00054205 680 0.050859 0.0034555 0.00045661 690 0.035537 0.0038866 0.00034872 700 0.022129 0.0035504 0.0002792 710 0.015214 0.0029044 0.00022718 720 0.0098467 0.0018316 0.00017178 prf-solomatov-gt-nikon-d40-jiang-et-al-2013-459bee43e0f2(revision 1)Raw samples for prf-solomatov-gt-nikon-d40-jiang-et-al-2013-459bee43e0f2 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.024961 0.034887 0.24055 410 0.021143 0.04937 0.40544 420 0.016001 0.064249 0.52555 430 0.013401 0.086794 0.67595 440 0.010463 0.10102 0.71895 450 0.0087063 0.13099 0.82801 460 0.0086141 0.18292 0.82871 470 0.013979 0.2921 0.7974 480 0.016986 0.38557 0.717 490 0.015455 0.42725 0.55303 500 0.020048 0.55215 0.36349 510 0.036633 0.78889 0.21781 520 0.074621 0.88258 0.085666 530 0.096479 1 0.035779 540 0.051559 0.9037 0.018275 550 0.031727 0.87539 0.01122 560 0.035235 0.69789 0.0059166 570 0.11061 0.57496 0.0037644 580 0.45053 0.38678 0.0033937 590 0.67508 0.26582 0.0029309 600 0.57488 0.11845 0.0017556 610 0.50065 0.048996 0.0010915 620 0.37559 0.019448 0.00074624 630 0.30117 0.010674 0.00056884 640 0.21377 0.0059683 0.00072842 650 0.1553 0.0034973 0.00059219 660 0.11482 0.0028521 0.00052411 670 0.078742 0.0031359 0.00054205 680 0.050859 0.0034555 0.00045661 690 0.035537 0.0038866 0.00034872 700 0.022129 0.0035504 0.0002792 prf-solomatov-pred-nikon-d40-88efd19d6da6(revision 1)Raw samples for prf-solomatov-pred-nikon-d40-88efd19d6da6 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0019409587 0.0041282163 0.01290354 410 0.004018422 0.0065677124 0.032652676 420 0.005865361 0.013119251 0.076778054 430 0.0014944001 0.02321414 0.12737362 440 0.0063398466 0.031150553 0.16647805 450 0.008918837 0.035630476 0.19762833 460 0.01036543 0.047002234 0.22185208 470 0.010676809 0.07201933 0.231267 480 0.011774076 0.10291275 0.22592644 490 0.01032262 0.13827133 0.19433618 500 0.008868004 0.18409704 0.1470637 510 0.009133302 0.23751898 0.095727034 520 0.013441525 0.2740721 0.050777953 530 0.016279582 0.2883393 0.019505331 540 0.017837944 0.28229764 0.008336663 550 0.022615438 0.2624242 0.00219385 560 0.034227658 0.23057029 0.0037050757 570 0.07057203 0.185215 0.006514737 580 0.12421979 0.13390897 0.0094956 590 0.15642752 0.08710968 0.009107857 600 0.15250795 0.05009712 0.0076983348 610 0.13950223 0.025084423 0.005240263 620 0.11961855 0.013686897 0.0017893004 630 0.10127948 0.0068926914 0.00037059592 640 0.08299776 0.0018347196 0.000010270157 650 0.06574693 0.0000045202364 0.000008554883 660 0.049015116 0.00078944484 0.00013643362 670 0.03341433 0.0000032182438 0.000029766587 680 0.019455785 0.00009152058 0.000051590814 690 0.008294117 0.00042733632 0.000034488163 700 0.004723941 0.000029069382 0.00031735882