Penta Prism Assembly for Surveying Theodolites from Canada
A roof penta prism mounted in an aluminum housing, essential for maintaining image orientation in surveying theodolites regardless of rotation. Classified under HTS 9002.90.20.00 as a mounted optical element for precision instruments. It deviates the line of sight by 90 degrees without inverting the image.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide instrument compatibility certification; generic prisms may face scrutiny
• Declare AR coatings and materials precisely to match subheading requirements
• Ensure customs valuation includes mounting hardware as integral to the optical function