Porro Prism Binocular Mounting Assembly from Germany
Mounting frame for binoculars embedding Porro prisms (9001) and achromatic lenses (9002) for wide-field viewing. HTS 9005.90.40.00 applies to such assemblies incorporating both components as telescope accessories. Used in high-end birding and marine binoculars.
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
• Optical alignment certificates prevent disputes over 'incorporation' claims
• Avoid bulk packaging that suggests unfinished goods; retail-ready incurs different scrutiny
• Declare exact prism count and lens curvature for accurate valuation