Canon PowerShot G2
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 spectrum5 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: Estimated response; not a primary measurement. Sources and attribution
- 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: estimated
- Estimated response: not a primary measurement (e.g. diffraction-grating closed-form recovery, model prediction). Independent of profile_type and quality/confidence grades.
- Type: estimated
- Estimated response, not a direct measurement; quality and confidence are assessed separately.
- 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
- Solomatov
- Source
- Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera' (link)
- Source category
estimated(estimated response; not a primary measurement)- Methodology
- Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera' — model output.
- 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-solomatov-pred-canon-powershot-g2-0bb99aed4b52(unknown) — unknown- Normalisation
- unknown (original: unknown)
- Response unit / scale
unknown/unknown- Sample count
- 31 samples from 400–700 nm, Δ 10 nm
- Profile ID
prf-solomatov-pred-canon-powershot-g2-0bb99aed4b52@1- Profile checksum
sha256:42b134bc242632d2…- Processing
- source_column=predicted-Canon-PowerShot-G2.csv
- 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
- Solomatov & Akkaynak, ICCP 2023, 'Spectral Sensitivity Estimation Without a Camera', data/predictions/.
- Known limitations
- source_category=estimated
- permission_status is 'unknown' on the canonical License record (no independent operational clearance granted).
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
- 1/1.8-inch
- Sensor size
- Unknown
- Effective megapixels
- 3.9 MP
- Resolution
- Unknown
- Lens mount
- Unknown
- Release year
- 2001
Specification sources
Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.
Source: Dataset commit 374a630bac7847f851b3746e82aa528262ef0b5c Dataset: CameraDatabase (unknown)
Data details
- Dataset version
recovered-2026-09-29-all-available-with-ie-202404- Manifest digest
8f960e18d6c9dbef…- Manifest schema
0.1.0-draft- Release kind
full- Linked profiles / sessions
- 1 profile revision
Raw samples (R/G/B at native wavelengths)
prf-solomatov-pred-canon-powershot-g2-0bb99aed4b52(revision 1)Raw samples for prf-solomatov-pred-canon-powershot-g2-0bb99aed4b52 (revision 1): R/G/B response at native wavelengths. λ (nm) R G B 400 0.0023156707 0.0044964897 0.0128327245 410 0.0046859416 0.0069292104 0.03185733 420 0.007064386 0.013405464 0.07579741 430 0.0034198577 0.022512488 0.12693466 440 0.010786265 0.029878538 0.1654667 450 0.0138472235 0.034853484 0.194762 460 0.014503031 0.046930607 0.21754526 470 0.010923977 0.07341506 0.22563247 480 0.008283902 0.1061266 0.21874526 490 0.0052245175 0.14142184 0.18913816 500 0.0025072286 0.18353851 0.14644893 510 0.0025987339 0.23221917 0.10194137 520 0.006510706 0.26494697 0.06272891 530 0.0071642236 0.27660885 0.03540897 540 0.00560228 0.27085704 0.025049264 550 0.0080729695 0.25266945 0.018421618 560 0.020989079 0.22451898 0.01695383 570 0.067579865 0.18230748 0.014815948 580 0.13508798 0.1340911 0.010681715 590 0.17366529 0.09154731 0.0056737866 600 0.17055726 0.058901876 0.000005644053 610 0.15603696 0.03581741 0.0000085281 620 0.13398758 0.023506833 0.000008447347 630 0.11599614 0.013898064 0.000004055616 640 0.09818506 0.0064479928 0.0000123839345 650 0.08102507 0.00085059286 0.0000051669476 660 0.063816935 0.0000047958974 0.000002727957 670 0.04431369 0.000009662832 0.000011072873 680 0.025932327 0.000009327224 0.000008034829 690 0.010240639 0.00041670722 0.000008890689 700 0.0068565775 0.000070418246 0.00072484434