Pentax istDL2

Response

Native RGB responseestimatedPentax _istDL2 · 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-pentax-istdl2-f9d6d04e73aa (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-pentax-istdl2-f9d6d04e73aa@1
Profile checksum
sha256:a7986be56ded1f01…
Processing
source_column=predicted-Pentax-_istDL2.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
APS-C
Sensor size
23.5 x 15.7 mm
Effective megapixels
6.1 MP
Resolution
Unknown
Lens mount
Unknown
Release year
2006
Specification sources

Body specifications drawn from cited reference sources, distinct from the measured spectral response curves below.

Source: Dataset commit 374a630bac7847f851b3746e82aa528262ef0b5c Dataset: CameraDatabase (unknown); Dataset commit ef88b8381775c8c8c812c10cd02790a42dbdf757 Dataset: OpenProductData (unknown)

Also known as: Pentax istDL2.

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-pentax-istdl2-f9d6d04e73aa (revision 1)

    Raw samples for prf-solomatov-pred-pentax-istdl2-f9d6d04e73aa (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.00266903760.004598560.012390858
    4100.00515917180.0070243240.029992048
    4200.0062536750.0146495740.07233372
    4300.00108216890.024280280.12322442
    4400.0044892280.0334461220.16261247
    4500.00771783340.0405667280.19331351
    4600.01057067050.053219040.21752651
    4700.0120360490.078674390.23000813
    4800.0156834370.107897850.22977506
    4900.014974810.13958020.20506175
    5000.0124960240.181348150.16149996
    5100.0122287840.230258030.112724714
    5200.0146689370.264056120.066408485
    5300.0148187950.275400220.031014228
    5400.0126374580.269164980.016086934
    5500.0150851110.249775140.0064277383
    5600.0272517860.22070840.005652659
    5700.070138910.179167870.00798119
    5800.13546520.13270130.010668079
    5900.171386540.0909019040.010384451
    6000.16659480.0572874470.008687769
    6100.15187340.033440370.007157195
    6200.129596380.021290090.004554172
    6300.1094433140.0134344550.0032901703
    6400.089761010.00709435530.0027982588
    6500.071107080.0032044310.0020968579
    6600.0541003530.00256491640.0007818353
    6700.035886280.0004603380.000033814707
    6800.0203204450.0000484298940.0000036163783
    6900.0076905990.00108294290.0000105844665
    7000.00493947140.000085782740.00007652142