Pentax Binocular Diopter Adjustment Lock from Japan
A replacement diopter lock ring for Pentax binoculars, preventing accidental setting changes. The brass construction with fine threading ensures precise adjustment, making it a dedicated accessory for binoculars of heading 90.05. This lock ring falls under tariff item 9620.00.30 as it supports monoculars or other astronomical instruments.
Duty Rate — Japan → Canada
6%
Import Tips
• Classify the diopter lock ring as an accessory for binoculars of heading 90.05, not as a general fastener
• Specify the brass material and fine threading for accurate classification
• Ensure the ring is not part of a repair kit, which may be classified differently