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The pinholes are thin precision drilled platinum-iridium discs. We offer them mounted in holders with outer diameters of 25 mm or 9 mm, respectively. The version with 25 mm outer diameter are compatible with our spatial filter. The mounts have the diameter of the pinhole engraved.
The pinholes are thin precision drilled platinum-iridium discs. We offer them mounted in holders with outer diameters of 25 mm or 9 mm, respectively. The version with 25 mm outer diameter are compatible with our spatial filter. The mounts have the diameter of the pinhole engraved.
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