M90 to M90 Extension Tube 25mm | Dark Clear Skies IR Astronomy Camera and general imaging use

and general imaging use

Ideal for retail

ACS (Active Cooling System) is a external air-cooled system

ensuring minimal impact on your imaging setup

5 @ 300-1100nm ≥OD4

M90 to M90 Extension Tube 25mm | Dark Clear Skies IR Astronomy Camera and general imaging useM90 to M90 Extension Tube 25mm The Dark Clear Skies M90 to M90 25mm Extension Tube is a precision machined spacer designed for fine back focus adjustment in astrophotography imaging trains that use large diameter M90 threading. Featuring M901 male threads on both ends, this extension tube is ideal for making smaller spacing corrections when pairing reducers, flatteners, filter systems, and cameras that require accurate optical spacing. The 25mm