I'm sure Doug can quickly send you to exactly the right department.
FWIW, a well-connected member here invited me to tag along on a tour of the factory in Austria, and the repair/refurbish room was probably the coolest part of the entire event.
No doubt, when you get 'em back, you'll be very well-pleased.
FC
I have sent in binoculars several times, was told they were fixed right here in the U.S.
