Dark Clear Skies M68M to M54F Fine Back Focus Spacer – 1.4mm Telescope Mount Handle Sony IMX533 1” Sensor: 9MP

Sony IMX533 1” Sensor: 9MP high-resolution sensor (3008x3008 pixels) delivering exceptional clarity and color accuracy

Easy installation and smooth operation

This design can reduce light leakage and provide clearer vision

it’s almost 1

Dark Clear Skies M68M to M54F Fine Back Focus Spacer – 1.4mm Telescope Mount Handle Sony IMX533 1” Sensor: 9MPThe 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