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HSChapter 90
U.S. imports of monoculars, optical telescopes & astronomical instruments (HS 900580) totaled $10.1M in July 2026, traded with 43 countries.
Importers of Monoculars, Optical Telescopes & Astronomical Instruments paid $1.8M in duties in July 2026 — an effective duty rate of 18% on $10.0M in dutiable value, based on actual customs collections rather than the published tariff schedule. Monoculars, Optical Telescopes & Astronomical Instruments imports of $10.1M in July 2026 ran 17% above the year-to-date monthly average of $8.7M.
Last updated: July 2026 dataOptical telescopes and astronomical instruments occupy a technically specialized corner of the optics schedule, with the US tariff lines separating infrared-capable telescopes (9005804020), other optical telescopes (9005804040), and non-telescope astronomical instruments and mountings (9005806000). China leads imports, but Austria and Japan — both known for precision optical manufacturing — are significant sources, reflecting the heading's mix of consumer-grade and research-quality instruments. Importers of infrared or night-vision-capable telescopes should evaluate dual-use licensing obligations under the EAR before entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
239 shipments/mo
When imported together as a complete instrument, the mounting is generally classified with the telescope under 9005804040 or the appropriate subheading. Mountings imported separately may fall under 9005806000 as astronomical instrument mountings, or potentially under a parts provision. The key classification factor is whether the mounting is presented with the optical instrument or as a standalone article.
Technical specifications — aperture, focal length, optical coatings, and intended application — help establish whether an instrument is a consumer product or a precision scientific instrument. For high-value research equipment, a detailed manufacturer's specification sheet and, where applicable, an end-use certificate may be requested by CBP to confirm classification and admissibility.
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Subheading 2 of 3 in heading 9005
Subheading 900580 · $10.1M of $31.9M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 9005804040 | Optical Telescopes, NESOI | $7.9M | 17.58% | 99.52% | $1.4M |
| 9005804020 | Optical Telescopes for Use With Infrared Light | $1.5M | 15.47% | 99.82% | $234K |
| 9005806000 | Astronomical Instruments and Mounting, NESOI | $674K | 19.25% | 95.33% | $130K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9005804020 | Optical Telescopes for Use With Infrared Light | $3.6M |
| 9005804040 | Optical Telescopes, NESOI | $3.2M |
| 9005806000 | Astronomical Instruments and Mounting, NESOI | $2.7M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$10.1MYoY · Pro
Exports
$9.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and Austria together supply 74% of it.
customs district
destination
entry
rate provision · imports
0.7% enters free of duty; the effective duty rate is 17.37%.