Explore Scientific ED80 Classic White Air Spaced Triplet480mm Focal Length2.5in HEX Focuser FCD100-0806-02. f/6 True APO with HOYA FCD100 ED Glass in Advanced 4-Point Push-Pull Collimatable Cell with Centering Adjustments and Locks; Metal Tube; EMD...
Explore Scientific ED80 Classic White Air Spaced Triplet480mm Focal Length2.5in HEX Focuser FCD100-0806-02. f/6 True APO with HOYA FCD100 ED Glass in Advanced 4-Point Push-Pull Collimatable Cell with Centering Adjustments and Locks; Metal Tube; EMD...