Porro Prism from China
Pair of right-angle prisms arranged to invert and revert images in binoculars, providing upright viewing with wide field of view. Falls under HTS 9001.90.50.00 when imported unmounted as individual optical elements rather than assembled binocular sets. Enables stereoscopic vision in field glasses and spotting scopes.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Import as individual prisms, not pairs, to maintain unmounted classification; paired sets may classify as instruments
• Include aluminized coating specifications and environmental durability testing
• Use protective sleeves to prevent coating damage during customs handling