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Excitation LED got too weak after I replaced a new coax cable

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qdong8:
Recently I replaced the original coax cable (miniscope bought from Lab Maker) with a long cable (2 meters). After that, the LED got too dim. Have you ever met such issues? Thanks!

Daniel Aharoni:
Hi qdong8,
Can you tell me the specs of the new cable or post a link to it? If it is extremely thin then there is a chance it could decrease the total amount of current the LED can draw.

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