Andoer 2in Telescope Extension Tube Black Eyepiece Extender Adapter M48x0.75mm Threads Astronomy Telescope 40mm / 1.6in

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 finish prevents unnecessary reflections. Made of solid aluminum alloy material for strength, durability, and wear resistance. Specification： Item Type： Eyepiece Extension Tube Material： Aluminum Alloy + Copper Interface Size： Approx. 2 inches 50.8mm Thread Size： M48x0.75mm Color： Black. Package List： 1 x Extension Tube