Shrewd Optum Lens Housing Retainer Ring — 1.75″

Description

The Shrewd Lens Housing Retainer Ring is an empty lens housing designed for the Optum series scopes. It accepts lenses that measure 1.75″ in diameter and are at least 0.08″ thick. Machined from aluminum and finished with an anodized coating, the housing supports installation of a sunshade on the target side. After installing a lens, the two-piece housing should be secured using a thread locker to ensure stable assembly.

Key Specifications

• Accepts lenses with a diameter of 1.75 inches.
• Compatible with lenses that are at least 0.08 inches thick.
• Constructed from aluminum with an anodized finish for durability.
• Designed to fit both 40mm and 35mm Optum series scopes.
• Configured to allow installation of a sunshade on the target side of the lens.
• The housing is a two-part assembly that should be locked together using a thread locker after lens installation.
• Supplied as an empty lens housing ready for lens installation.

Durable and precisely machined, this retainer ring provides a straightforward solution for archers and optics technicians looking to adapt or service Optum scope lenses. Its anodized aluminum construction and compatibility with common Optum sizes make it a useful component for target archery and field setups where modularity and reliable fitment are priorities.