DIY Smartphone Spectrometer - Full Pack - Grating Transmission -

Planar Diffraction Grating One Dimensional Holographic Interference Spectrometer

Princeton Applied Research Type 1205B Spectrograph Unit

ARC SpectraPro-150 Imaging Dual Grating Monochromator / Spectrograph

Adjustable Optical Fiber Collimator SMA905 + Large Aperture Quartz Lens

Vintage Triple Grating Spectrograph EG&G Princeton Applied Research Model 1235

EG&G 1453A Parc 12-15 bit Spectrograph Monochromator Spex Oma Detector, M in USA

Chromex 500is grating Imaging Spectrograph/Monochromator w Princeton TE/CCD-1024