N-BK7 Lens Blank for Projection Systems from China
An N-BK7 crown glass circular blank for DLP projector condenser lenses, pre-annealed but not surfaced. The blank is not optically worked, as it has not been ground or polished for optical performance. It falls under tariff item 7014.00.00 as an unworked optical element of glass.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the blank is not optically worked to qualify for this item
• Keep documentation on the annealing process and glass type (N-BK7)
• If the blank is for a DLP projector, consider if it is a part of Chapter 90 equipment