Telescope Secondary Mirror from Canada
An ellipsoidal mirror mounted in a cell for correcting aberrations in Cassegrain reflecting telescopes used in observatories. Falls under HTS 9002.90.40.00 excluding machine telescopes per note 5.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include focal length and coating specs; verify not for section XVI machinery; use protective packaging for curvature