1PCS Black M48mm‑M42mm Adapter Ring Aluminium Alloy Astronomical Telescope Accessory

Feature: 1. Aluminum alloy material, precision technology, sturdy and durable, corrosion resistant. 2. Convenient to install, flexible to use, compact and portable. 3. Inner wall with extinction treatment to avoid radiating light affecting image. 4. Professional manufacturing, stable characteristics and high reliability. 5. Fine workmanship, practical astronomical telescope accessory. Specification: Condition: 100percent Brand New Item Type: M48 M42 Adapter Ring Material: Alloy Color: Black Quantity: 1PCS Weight: Approx. 6g Mount: M48*0.75mm M42*0.75mm. Package List: 1 x Astronomical Telescope Adapter Ring