Explore Scientific Telescopes

254mm (10-inch) Aperture f/5 Newtonian Optical Design Hybrid Truss Tube for Portability Includes 25mm and 10mm Plössl Eyepieces Red-Dot Finder and...

114mm (4.5") primary mirror gathers ample light for planets and bright deep-sky objects Fast f/4.4 focal ratio provides expansive, wide-field view...

154mm (6-inch) Primary Mirror 1170mm Focal Length f/7.6 Focal Ratio 2-inch Crayford-style Focuser with 1.25-inch Adapter Dobsonian Mount with Spri...

152mm (6-inch) primary mirror for bright, detailed views Fast f/5 focal ratio provides a wide field of view Lightweight and compact tabletop Dobso...

208mm (8-inch) Primary Mirror 1219mm Focal Length f/5.9 Focal Ratio 2-inch Crayford-style Focuser with 1.25-inch Adapter Dobsonian-style Mount Inc...

102mm (4-inch) Aperture f/6.5 Focal Ratio 11.5 lbs Optical Tube Weight Two-Speed 2" Crayford Focuser Includes 2" Dielectric Diagonal & 8x50 Fi...

127mm Achromatic Doublet Refractor Air-Spaced Crown-and-Flint Optics Dual-Speed Focuser for Fine Adjustment Dielectric-Coated Diagonal Included Cr...

152mm (6-inch) Aperture f/6.5 Focal Ratio Air-Spaced Doublet Achromatic Optics 2" Dual-Speed Focuser 2" Diagonal with 99% Dielectric Coatings 8x50...

Features premium HOYA FCD100 ED glass for superior color correction Air-spaced triplet optical design delivers high-contrast, sharp images Lightwe...

102mm Aperture 714mm Focal Length (f/7) Air-Spaced Triplet Apochromatic Design Genuine HOYA FCD100 ED Glass Element 2.5" HEX Focuser with 10 lb Ca...

102mm Aperture Air-Spaced Triplet Apochromatic Optics Premium HOYA FCD100 ED Glass Carbon Fiber Optical Tube Assembly 2.5" Hexagonal Rack & Pi...

152mm (6") Aperture f/8 Focal Ratio Air-Spaced Triplet Apochromatic Optics HOYA FCD1 Extra-Low Dispersion Glass Carbon Fiber Optical Tube 20.5 lbs...

ED80 Air-Spaced Triplet Apochromatic Refractor iEXOS-100 GoTo German Equatorial Mount Wireless PMC-Eight Precision Motion Control System Includes ...

80mm Aperture Air-Spaced Apochromatic Triplet Optics Features HOYA FCD1 Extra-Low Dispersion Glass Includes Field Flattener for f/5 to f/7 Telesco...

80mm Air-Spaced Apochromatic Triplet Refractor iEXOS-100-2 GoTo Equatorial Mount with PMC-Eight Controller Includes 0.8x Two-Element Focal Reducer...

80mm Air-Spaced Triplet Apochromatic OTA Includes a matched 0.8x Focal Reducer iEXOS-100 Equatorial Mount with GoTo PMC-Eight wireless control sys...

Complete astrophotography bundle with 80mm triplet refractor and GoTo mount 80mm aperture and 480mm focal length for wide-field imaging HOYA FCD10...

80mm Aperture 480mm Focal Length (f/6) HOYA FCD100 ED Air-Spaced Triplet Optics Includes 0.8x Focal Reducer/Corrector 2.5" Hexagonal Focuser De...

80mm Aperture Triplet Apochromatic Refractor Features Hoya FCD100 ED Glass Element Air-Spaced Triplet Objective Lens Includes Field Flattener for ...

Apochromatic Triplet Refractor Genuine HOYA FCD100 ED Glass Air-Spaced Optical Design Proprietary EMD Multi-Layer Coatings Heavy-Duty Hexagonal Fo...

Features genuine HOYA FCD100 ED glass for superior color correction Air-spaced triplet optical design virtually eliminates chromatic aberration Li...

80mm Refractor Telescope Lightweight Carbon Fiber Optical Tube iEXOS-100 PMC-Eight GoTo Equatorial Mount Includes Professional-Grade Solar Filter ...

80mm Achromatic Refractor Professional-Grade Solarlite Solar Filter Included 25mm Plössl Eyepiece and 90° Diagonal Smartphone and DSLR Camera Adap...

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