Schlieren Imaging Lens Adapter from Japan
Specialized adapter ring for knife-edge lenses in schlieren flow visualization systems. Classified under HTS 9013.90.70.00 for parts of unspecified optical instruments.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide schlieren system schematic showing adapter integration
• Specify lens thread standards (e.g
• M72x0.75) confirming optical specificity
• Document as flow visualization component, not generic adapter