M117 to M117 Extension Tube 50mm | Dark Clear Skies

M117 to M117 Extension Tube 50mm | Dark Clear SkiesM117 to M117 Extension Tube 50mm The Dark Clear Skies M117 to M117 50mm Extension Tube is a precision machined spacer designed for large format astrophotography imaging systems requiring accurate back focus spacing. Featuring M1171 male threads on both ends, this extension tube is intended for use with large reducers, flatteners, camera adapters, and filter systems commonly found in professional and observatory class imaging setups. The 50mm optical

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Large Volume: 2W output power and 5W speaker make it has a large volume

5 mm LENGTH OF 2″ BARREL (MM) 27 mm OUTER DIAMETER 55 mm CONNECTIONS OUTER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread

DSLR photography (original): Good

Ideal for both visual and astrophotography use

300g (with battery)

and better control of stray light

this mount ensures smooth tracking

Use with LRGB and narrowband filters for maximum control

Integrated flat-field design — no external flattener or spacing required

Small and lightweight

ensuring reliability