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Baader UFC Filter Slider - for 50mm Round Unmounted Filters - David Astro
Baader Universal Filter Changer (UFC): The UFC Filter Slider (Part 3) / Baader Planetarium Blog Posts
Baader - UFC D 31mm AUX Filter-Holder (requires Filter Slider UFC-RD50 #2459113) | Telescopes
Baader - UFC S58 Dovetail Camera Adapter (optical height 7,2mm) - for correct alignment of the UFC filter slider on all Baader 2" zenith mirrors/prisms | Telescopes
Alpine Astronomical Baader UFC Filter Slider for 50.4mm UFC-RD50
BAADER UFC D 36MM AUX FILTER-HOLDER (REQUIRES FILTER SLIDER UFC-RD...