Porro Prism Pair for Binocular Optics from Canada
Pair of mounted Porro prisms that provide upright image in binocular telescopes by folding the optical path. Classified under HTS 9002.90.20.00 as essential mounted optical elements for binocular instruments. The mounting aligns precisely within the binocular housing.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify binocular model compatibility to prove instrument-specific use
• Phase retardation coatings must be documented for optical performance claims
• Import as sets when paired to avoid single prism scrutiny