Canon PowerShot G2

Response

Native RGB responseestimatedCanon PowerShot G2 · Solomatov GT collection
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  • 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)
  1. 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)RGB
    4000.00231567070.00449648970.0128327245
    4100.00468594160.00692921040.03185733
    4200.0070643860.0134054640.07579741
    4300.00341985770.0225124880.12693466
    4400.0107862650.0298785380.1654667
    4500.01384722350.0348534840.194762
    4600.0145030310.0469306070.21754526
    4700.0109239770.073415060.22563247
    4800.0082839020.10612660.21874526
    4900.00522451750.141421840.18913816
    5000.00250722860.183538510.14644893
    5100.00259873390.232219170.10194137
    5200.0065107060.264946970.06272891
    5300.00716422360.276608850.03540897
    5400.005602280.270857040.025049264
    5500.00807296950.252669450.018421618
    5600.0209890790.224518980.01695383
    5700.0675798650.182307480.014815948
    5800.135087980.13409110.010681715
    5900.173665290.091547310.0056737866
    6000.170557260.0589018760.000005644053
    6100.156036960.035817410.0000085281
    6200.133987580.0235068330.000008447347
    6300.115996140.0138980640.000004055616
    6400.098185060.00644799280.0000123839345
    6500.081025070.000850592860.0000051669476
    6600.0638169350.00000479589740.000002727957
    6700.044313690.0000096628320.000011072873
    6800.0259323270.0000093272240.000008034829
    6900.0102406390.000416707220.000008890689
    7000.00685657750.0000704182460.00072484434