Dark Clear Skies M68M to M63F Fine Back Focus Spacer – 1.4mm Poseidon-M Pro Once installed

Once installed

Adjustable angle lens

it ensures reliable connectivity

Its wide apparent field helps keep objects comfortably framed

The CloudWatcher supports ASCOM drivers for Windows and is compatible with INDI and INDIGO for Linux and Raspberry Pi-based systems

Dark Clear Skies M68M to M63F Fine Back Focus Spacer – 1.4mm Poseidon-M Pro Once installedThe Dark Clear Skies M68M to M63F Fine Back Focus Spacer (1. 4 mm) is a precision machined spacer designed for fine adjustment of back focus distance in large format astrophotography imaging trains. Purpose & Use Many modern reducers, flatteners, and imaging systems that use larger thread standards such as M68 and M63 require extremely precise back focus spacing to deliver optimal star shapes across the image field. Even small spacing errors of around