9001.90.40.00/Germanium Unmounted IR Lens/Japan

Germanium Unmounted IR Lens from Japan

An unmounted germanium lens for thermal imaging cameras operating in mid-IR spectrum. HTS 9001.90.40.00 covers this semiconductor optical element as 'other' unmounted lens. AR-coated for 3-5 micron transmission.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Provide transmission curve 2-12μm proving IR optical function

• Handle with gloves; fingerprints etch germanium surface

• Declare single-crystal vs poly; affects value declaration