This item is one of several interchangeable pinholes available for the Spectra Physics Type 332 Spatial Filter. This one is marked simply �APERTURE-3, 6.8 microns�. It threads into the collimator side of the spatial filter.
PLEASE NOTE The pinhole is only available with the purchase of a Type 332 spatial filter � it will not be sold individually. The pinhole is in perfect condition, although a bit of the foil label with the nomenclature is missing (see second photo).
Location MB 62-6
Photo set 596
***MPN 332 Aperture 3
***OEM Spectra Physics, Inc.
***SKU*** DP164



