Pentax 645Z

Response

Native RGB responseestimatedPENTAX 645Z · 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-645z-932330835bd5 (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-645z-932330835bd5@1
Profile checksum
sha256:30a31d8065b63183…
Processing
source_column=predicted-PENTAX-645Z.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
Medium format
Sensor size
44 x 33 mm
Effective megapixels
51.4 MP
Resolution
Unknown
Lens mount
Unknown
Release year
2014
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)

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-645z-932330835bd5 (revision 1)

    Raw samples for prf-solomatov-pred-pentax-645z-932330835bd5 (revision 1): R/G/B response at native wavelengths.
    λ (nm)RGB
    4000.0022261910.0045253450.011719531
    4100.0047478230.00680237170.030224662
    4200.00518588070.0136027620.073907435
    4300.00046299990.0227082860.12586309
    4400.00360214430.0310219660.16531262
    4500.0058640540.036832730.19497317
    4600.00746481540.049801210.21950047
    4700.0074165840.0760088860.2309319
    4800.0097820020.106310680.22892535
    4900.0094213550.140084850.2017958
    5000.0082607180.183080450.15683348
    5100.0104312630.234035330.10656176
    5200.0155364680.268392770.06048823
    5300.0192304070.28047420.027184162
    5400.0197454540.272874440.014693564
    5500.0243155270.252810450.0073209098
    5600.037609480.221663580.009130655
    5700.079324390.17936120.009685346
    5800.137138050.132350330.008673487
    5900.167801540.088674510.0083632
    6000.161552710.0530454180.010196393
    6100.14641370.0278437470.010208937
    6200.124305210.0159086160.0073024295
    6300.103992790.00977233050.0033145053
    6400.0849885340.00609846650.000010226072
    6500.066060640.0033122620.000017274759
    6600.049390790.0039063370.000022436472
    6700.0323019470.00132140590.000011795473
    6800.0184794520.000546565750.000024627352
    6900.00719359660.00144869450.0000078117355
    7000.0046422850.0000167860960.0002100766