Unmounted Achromatic Doublet Lens from Mexico
An unmounted achromatic doublet lens, consisting of a crown-flint glass pair cemented together to correct chromatic aberration in optical instruments such as microscopes. It is not mounted in a cell or frame, qualifying as an unmounted optical element under tariff item 9001.90.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the lens is truly unmounted (no cell or frame) to classify under 9001.90.00; mounted lenses fall under other headings
• Declare the material (glass) and optical function accurately on customs documents
• Keep packaging moisture-free to prevent damage during inspection