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LED illumination


LED color rendering:  CRI vs CQS vs CFI   spectra

microbehunter.com thread

Pinspot RGBW 10W LED

40mm RGB LED halo ring

USB gooseneck

Labophot illumination conversion

Nearly the same for nearly identical Optiphot 66 base, but Optiphot 1 (and Metaphot) are 12V 50W instead of 6V 20W.

Kaidomain Cree XHP50.3 5000K CRI90 on 20mm DTO Copper MCPCB

  • 6V
  • 3x3mm active area 18W LED
  • Cree XLamp XHP50.3 datasheet - 46 pages

    *27 July 2022*

    LED spectra

    Using Thunder Optics' DIY Smartphone Spectrometer

    Cell Phone Spectrophotometer paper   software download   Google Drive


    GoSpectro Apps:  iOS   Android
    video:  Smartphone Spectrometer Lambda Calibration - SpectraUPB
    iPad Spectrometry
    KISScientific iPhone CamAtom
    iPhone SpectralViewer, spectraView
    High resolution DIY spectrometer from captured diffraction spectra
    using Tracker free Java video analysis and modeling tool
    Related Developments by Other People
    Public Laboratory's similar open source diffraction grating smartphone spectroscope   video
    online Spectral Workbench usage   video:  with Public Laboratory's fold-up spectrometer
    Theremino Spectrometer Sample Spectra
  • maintained by blekenbleu