Dark Clear Skies M68M to M54F Fine Back Focus Spacer – 1.4mm SV113 allowing you to configure your

allowing you to configure your observing or imaging setup to your preference

all from the palm of your hand

and can also be used for observing brighter deep-sky objects under favourable conditions

So the signal stability can be well ensured

Sturdy Construction: The Vixen & Arca-Swiss dovetail plate ensures secure mounting to your equatorial mount

Dark Clear Skies M68M to M54F Fine Back Focus Spacer – 1.4mm SV113 allowing you to configure yourThe Dark Clear Skies M68M to M54F Fine Back Focus Spacer (1. 4 mm) is a precision machined spacer designed for fine adjustment of back focus distance in astrophotography imaging trains. Purpose & Use Many modern reducers and field flatteners require extremely precise back focus spacing to deliver optimal star shapes and edge correction, particularly when used with larger sensors. Even small spacing errors of around 1 mm can noticeably affect image