Unmounted Ball Lens from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Sphericity tolerance critical; provide measurement protocol
• Avoid categorization as 'beads' by proving optical specs
• Common in telecom; HTS consistent across materials