Support

Need a hand with a device, a build, or an order? You're in the right place.

Frequently Asked Questions — tube grades, ITAR/OTAR, custom builds, ID.me discounts
Tube Grade Guide — FOM, phosphor types, what each tube actually delivers
ITAR & OTAR Compliance — what U.S. and international buyers need to know
Shipping & Returns — timelines, custom-build terms, defect coverage
Repair & Maintenance — tube swaps, recollimation, full-service

Include photos of your device, your tube grade, and a clear description of the issue — we'll get you a diagnosis and quote fast.