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Model label: EntranceBeamExpander_

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Assembly instructions

1) Mount the Thor_ACN254-050-B:1 lens in its lens tubes ensuring that its curved sides will point inwards when assembled.
2) Assemble the cage from thorlab parts including Thor_AC254-200-B-ML mounted lens. Set the lens cage plates approximately 141mm apart. The exact position of the plates will be set during microscope assembly
3) Before mounting on vertical breadboard shine IR laser beam into the beam expander and set the distance between the plates such that the beam is collimated.