BK7 Glass Lens Blank for Camera Objectives from Japan

BK7 optical glass blank cut to circular shape for grinding into camera lens elements in photography equipment. Classified in 7014.00.10.00 as an optical element lens blank, not optically worked, distinct from spectacle lenses.

Duty Rate — Japan → United States

14.1%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Include material certificates (e.g

Schott BK7 specs) and diagrams showing blank dimensions for Customs review

Avoid common error of calling it a 'finished lens'; stress it's a blank requiring further optical processing

Check for any absorbent/reflecting layers per chapter notes, which could shift classification if applied