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These are sealed in canister Photonis ECHO grade green phosphor auto-gated 1500-1800 FOM tubes with manual gain control (MX-11769 format). Colloquially known as FMS - For Foreign Mil Sale. We were fortunate enough to be offered these tubes by Photonis Defense as part of a new overstock. They are factory new sealed in canister and come with a data sheet and factory warranty. These Photonis ECHO tubes can be converted to 10160 format as well via external gain adjustment controller removal - while still maintaining their factory warranty.
Image tube sales are final. These are a factory Photonis product. We do not manufacture image tubes.
For wholesale purchases please contact us by clicking this link (contact us).