Autocollimator Mounting Prism from Japan
Right-angle prism accessory for electronic autocollimators used in angular measurement under HTS 9031. Enables perpendicular alignment verification in precision alignment checking. Optical accessory dedicated to 9031 instruments.
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%
Import Tips
• Refractive index specs distinguish from Chapter 70 optical glass
• Angular deviation certification (<2 arcsec) proves 9031 suitability
• Pair with autocollimator sales to establish principal use