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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
OTA Weight: 1
The ASKAR FMA180 objective lens features a triplet air-spaced APO design
5 magnitude
Its compact optical tube makes it a strong match for many modern harmonic drive mounts
Key Features of the LUNT LS50FHa H-alpha Double Stack Solar Filter
M90 to M90 Extension Tube 25mm | Dark Clear Skies DSLR Alternatives OTA Weight: 1M90 to M90 Extension Tube 25mm The Dark Clear Skies M90 to M90 25mm Extension Tube is a precision machined spacer designed for fine back focus adjustment in astrophotography imaging trains that use large diameter M90 threading. Featuring M901 male threads on both ends, this extension tube is ideal for making smaller spacing corrections when pairing reducers, flatteners, filter systems, and cameras that require accurate optical spacing. The 25mm
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