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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
It has a reduction factor of 0
CLS Filter: Reduces skyglow and enhances visibility of faint celestial objects
Focal length：1000mm
Frequency :433
When connected via USB 3
Dark Clear Skies M68M to M63F Fine Back Focus Spacer – 1.4mm low profile filter wheel It has a reduction factorThe 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
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