Explore Scientific ED102 Classic White Air Spaced Triplet714mm Focal Length2.5in HEX Focuser FCD100-10207-02. f/7 True APO with HOYA FCD100 ED Glass in Advanced 4-Point Push-Pull Collimatable Cell with Centering Adjustments and Locks; Metal Tube;...
Explore Scientific ED102 Classic White Air Spaced Triplet714mm Focal Length2.5in HEX Focuser FCD100-10207-02. f/7 True APO with HOYA FCD100 ED Glass in Advanced 4-Point Push-Pull Collimatable Cell with Centering Adjustments and Locks; Metal Tube;...