SPEX Laser Optical LOT Plate Holder, Scanning Spectrometer, Slitter PN# 1710 / 1632 I do not know much about spectrometers or parts. But I know these are hard to find. It came from working environment and if it does not work for you I will refund. 6 SPEX parts in this lot (for the price of 1!!): - One slitter. Dial on slitter goes 1- to 200 No tags or markings of the slits (dial is stamped SPEX). - The other part is Scanning Spectrometer (pn- 1710) - Other part is SPEX Plate holder - 3 Apertures/ lenses holders (??) (one is stamped 1632) Will ship international. please ask questions. Please look at pictures. .
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