SKU:61372585877
Dark Clear Skies M68M to M54F Fine Back Focus Spacer – 1.4mm
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
Description
Dark Clear Skies M68M to M54F Fine Back Focus Spacer – 1.4mmThe 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
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"text": "Most setups up to around 8 kg work counterweight-free
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