Products

80mm Air-Spaced Apochromatic Triplet OTA Premium HOYA FCD100 ED Glass Element 480mm Focal Length at f/6 (Native) Included 0.8x Reducer Creates a 3...

Astrophotography bundle with 80mm triplet refractor and GoTo mount 80mm aperture and 480mm focal length for wide-field imaging HOYA FCD100 ED glas...

This adapter cable set updates the EXOSII GOTO EQ handset to v2.3 and can be used with the Bresser EXOSII Mount Driver that is compatible with Wind...

127mm (5") Aperture f/7.5 Focal Ratio / 952mm Focal Length Air-Spaced Triplet Apochromatic Optics HOYA FCD100 ED Glass Element 2.5" Hexagonal Rack...

127mm (5") Aperture f/7.5 Focal Ratio & 952mm Focal Length Air-Spaced Triplet Apochromat with HOYA FCD100 ED Glass Carbon Fiber Optical Tube W...

Direct replacement for Explore Scientific 50mm finder scopes Variable brightness control for deep red LED illumination Preserves night vision whil...

No telescope type has changed the hobby quite as much as the Dobsonian. Before the introduction of the Dobsonian by John Dobson, the vast majority ...

Mak-Cassegrain Optical Design Long Focal Length for High Magnification German Equatorial EQ3 Mount Slow-Motion Controls for Precise Tracking Compa...

100mm Maksutov-Cassegrain OTA 1400mm Focal Length (f/14) Twilight Nano Alt-Azimuth Mount 25mm Plössl Eyepiece (1.25") Includes Smartphone Adapter ...

102mm Doublet Refractor Optical Tube Fully Multi-Coated Lenses 2.5" Hexagonal Focuser Includes 25mm Plössl Eyepiece and 2" 90° Diagonal Includes R...

102mm Air-Spaced Doublet Refractor EXOS Nano German Equatorial Mount Slow-Motion Controls for Precise Tracking Includes Plössl Eyepiece and Red-Do...

102mm (4") Aperture Doublet Refractor 1000mm Focal Length (f/9.8) Twilight I Manual Alt-Azimuth Mount 2.5" Hexagonal Focuser Includes 25mm Plössl ...