Unmounted Ball Lens from Canada
Spherical ball lens of sapphire or glass for fiber optic collimation and endoscopy. Under HTS 9001.90.40.00 as unmounted spherical lens element. Effective numerical aperture approaches 1.0.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Sphericity tolerance critical; provide measurement protocol
• Avoid categorization as 'beads' by proving optical specs
• Common in telecom; HTS consistent across materials