Autocollimator from Canada
Optical instrument projecting reticle onto mirror and measuring angular deviation via return beam. HTS 9013.80.91.00 for other optical alignment devices in metrology. Distinct from surveyor's levels.
Duty Rate — Canada → United States
14.5%
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
• Specify angular resolution (e.g
• 0.5 arcsec) to justify optical instrument status
• Provide calibration certificates traceable to NIST
• Classify stands separately if adjustable mounts are generic