PENTAX K-r

Response

Native RGB responseestimatedPENTAX K r · Solomatov GT collection
Hover or tap graph for values
  • 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-k-r-98a67cd4e9b6 (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-k-r-98a67cd4e9b6@1
Profile checksum
sha256:1f0fc375042b6345…
Processing
source_column=predicted-PENTAX-K-r.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
CMOS
Sensor format
APS-C
Sensor size
23.6 x 15.8 mm
Effective megapixels
12.4 MP
Resolution
Unknown
Lens mount
Pentax KAF2
Release year
2010
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); Dataset commit 2f1be1deab50da7869fc5d23f481939803d845bf Dataset: Lensfun (CC BY-SA 3.0)

Also known as: PENTAX K r.

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-k-r-98a67cd4e9b6 (revision 1)

    Raw samples for prf-solomatov-pred-pentax-k-r-98a67cd4e9b6 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.0032168390.0050891420.012524895
    4100.0058038790.0079433080.028861372
    4200.0066309010.015775180.068695605
    4300.00030753190.0261092320.11941248
    4400.0042708490.0369481520.1575756
    4500.0087817710.0457454660.18293963
    4600.0148062280.0602912830.20401524
    4700.0183548980.085884640.21316193
    4800.0253911520.1166143640.2087307
    4900.0250248560.147760270.18565919
    5000.0214878580.186193540.1481539
    5100.0187137780.231728790.10804499
    5200.0158652220.262214270.069621064
    5300.0096509040.271567080.03998823
    5400.00268628820.264852320.025455473
    5500.00182602190.247321040.014922898
    5600.0161538940.220716540.011413023
    5700.069436030.182041870.012527898
    5800.146117990.139660490.014433699
    5900.186115790.100950910.011478772
    6000.182234910.0691165550.0057453313
    6100.164462750.046237160.0011263982
    6200.140313760.0328770170.000039588343
    6300.1200440450.0224515440.000024904664
    6400.1003910750.0145196720.0012656173
    6500.080780670.008006920.002850768
    6600.062585140.0050920180.0029743547
    6700.042005890.00178409590.0026060285
    6800.0233091540.00073536860.0017486215
    6900.0085106560.00168879370.0011180158
    7000.00579107970.000464226120.00015612424