Kaisai 2in Telescope Extension Tube Black Eyepiece Extender Adapter M48x0.75mm Threads Astronomy Telescope Accessories 50mm / 2in

Feature: 1. Functional Design: Provides extra focusing distance to increase focal length extension. Sometimes necessary for certain eyepiece or telescope camera combinations for focusing. 2. Extended Focusing Needed: Often requires more focusing distance when observing short distances on the ground with a telescope or using field flatteners, correctors, or reducer lenses. 3. Secure Connection: Equipped with 2 fixed screws to support connecting 2 inch telescope eyepieces and astrophotography filters, preventing damage to telescope accessories. 4. Universal Compatibility: Features front end with M48x0.75mm thread for use with 2 inch telescope eyepieces and astrophotography filters, ensuring a secure fit. 5. Sturdy Construction: Anodized black