Roof Pentagon Prism from Canada
Compact five-sided prism combining 90-degree deviation with image erection for ultra-compact optical systems. Classified under HTS 9001.90.50.00 as unmounted optical prism featuring both roof and total internal reflection surfaces. Used in modern digital SLR viewfinders.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Complex surface geometry requires detailed CAD drawings for classification
• Specify all five surface optical qualities and reflection coating areas
• Compact size increases scratch risk; use protective shipping containers