Ade Advanced Optics Pocket Diffraction Grating Gemological Spectroscope sold2026 suitable for most cell phone

suitable for most cell phone models

Material: Made of high quality PCB material

which are easy to measure depth

The electrode pin can be bent if you need to adjust the installation size

Ade Advanced Optics Pocket Diffraction Grating Gemological Spectroscope sold2026 suitable for most cell phoneAde Advanced Optics Pocket Diffraction Grating Gemological Spectroscope When white light travels though a stone, one or more of wavelengths that produce color are absorbed Product Features Compact, pocket size makes it great for traveling with fixed slit & fixed focus. Length: 2. 2 inch Bring it with you on buying trips, vacations, or to trade shows When white light travels though a stone, one or more of wavelengths that produce color are absorbed