Mounted BK7 Prism Assembly from Mexico
Precision mounted BK7 glass right angle prism for periscopes, borescopes, and alignment lasers. Despite glass material, complex mounting for instruments classifies HTS 9002.90.95.00 'other'. Total internal reflection optics.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Justify 'other' classification vs. specific glass prism codes with mounting complexity
• Include Abbe number and index of refraction specs
• Blackened edges prevent stray light reflection