EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy
from $9.89
Handheld Durable Small Diffraction Spectroscope 55mm Jewelers Eye Loupe Jewelry Magnifier for Gems Jewelry Rocks Stamps Coins Watches Hobbies Antiques Gems, Coins, Stamps
$29.90
from $23.92
EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy - for Studying Light Sources, Measuring Wavelengths & Color Spectra
from $9.99
EISCO Labs Economy Spectroscope Tube, Pack of 6
from $18.99
Ade Advanced Optics Pocket Diffraction Grating Gemological Spectroscope
from $32.99
Eisco Labs Economy Spectroscope Tube, Pack of 24
from $42.99
Gain Express Pocket Diffraction Grating Gemological Spectroscope for Quick Gemstone Identification and GIA Use
from $33.99
3B Scientific U19500 Diffraction Grating Spectroscope 25mm Diameter x 115mm Length
from $141.14
EISCO Economy Spectroscope Tube - 500 Lines/mm Grating - Eisco Labs
from $8.89
Handheld Diffraction Spectroscope, Pocket-Sized Grating Gemological Spectrometer in a Gem Tool Jewelers Eye Loupe for GIA Use and Quick Identification Gemstone Jewelry Magnifier
$31.99
from $30.99
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