M117 to M117 Extension Tube 25mm | Dark Clear Skies

M117 to M117 Extension Tube 25mm | Dark Clear SkiesM117 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

the Ultra Light Dobsonian is both lightweight and incredibly rigid

Raises mount head by 180 mm

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

Integrated EAF Kit Support: Achieve precise focus with the Electronic Automatic Focuser (EAF)

-- The listening volume of the TT118 receiver can be adjusted from level 0 to level 9 to meet audiences with different hearing abilities or preferences

BRESSER has developed a light weight and compact refractor telescope

CAA‑M42 Adapter

and a sleek design

you can enjoy crystal clear images on larger screens

with excellent red-channel performance — ideal for emission nebulae

Super Wide Angle Field of View

easy to set up and use