M117 to M117 Extension Tube 25mm | Dark Clear Skies Observatory Equipment This advanced design virtually eliminates

This advanced design virtually eliminates chromatic aberration

Durable Protective Carrying Case- A protective case lined with soft foam is included to store the accessory pieces for storage and travel

AUX and MIC Input: The transmitter supports both MIC and AUX inputs

This feature provides flexibility and control over the interpreting process

pls check more details on the tour guide equipment translation

M117 to M117 Extension Tube 25mm | Dark Clear Skies Observatory Equipment This advanced design virtually eliminatesM117 to M117 Extension Tube 25mm The Dark Clear Skies M117 to M117 25mm Extension Tube is a precision machined spacer designed for fine back focus adjustment in large format astrophotography imaging systems. Featuring M1171 male threads on both ends, this extension tube is ideal for making smaller spacing corrections when pairing large reducers, flatteners, filter systems, and cameras. The 25mm optical length allows accurate tuning of optical spacing