This is a large lot of items for Optical Physics. maybe for an optical table - maybe for lasers - I don't really know and an impressive amount of it is unmarked. Info I could glean starts at the left side of the picture:5X adapter DO Industries 6105Cooke Telekinic anastigmatic 4"Lens extension 40mmLens extensionND FilterAdapter tubes = 3Tube with dual irisesTube with lens aparatusMeasure + view wit
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