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

Functional Design: Provides extra focusing distance to increase length extension. Sometimes necessary for certain eyepiece or telescope camera combinations for focusing. 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. Secure Connection: Equipped with 2 fixed screws to support connecting 2 inch telescope eyepieces and astrophotography filters, preventing damage to telescope accessories. Item Type: Eyepiece Extension Tube Material: Aluminum Alloy + Copper Interface Size: Approx. 2 inches Celsius50.8mm Thread Size: M48x0.75mm Color: Black