Ask Our Experts800-606-6969
Hello, Log InAccount & Orders
Sony Global
Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for SCTs
BH # ALBDSSC MFR # BDS-SC
Key Features
- Holds up to 13 Pounds
- For Schmidt-Cassegrain OTAs
- 2" Eyepiece Holder
- Zero Backlash or Flex
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Refractors
BH # ALBDSRT MFR # BDS-RT
Key Features
- Holds up to 13 Pounds
- For Refractor OTAs
- 2" Eyepiece Holder
- Zero Backlash or Flex
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Newtonian Reflectors
BH # ALBDSNT MFR # BDS-NT
Key Features
- Holds up to 13 Pounds
- For Newtonian Reflector OTAs
- 2" Eyepiece Holder
- Zero Backlash or Flex
Available in other Styles, Configurations & Kits
iOptron Photron 150mm f/9 Ritchey-Chrétien Catadioptric Telescope (OTA Only)
BH # IO6111 MFR # 6111
Key Features
- 150mm Ritchey-Chrétien Catadioptric OTA
- 1370mm Focal Length, f/9 Focal Ratio
- Low Thermal-Expansion Quartz Mirrors
- Dielectric Mirror Coatings
Available in other Styles, Configurations & Kits
Sky-Watcher Classic 200P Dobsonian Telescope Kit
BH # SK8TDK MFR # S11610
Key Features
- Bright 200mm Aperture
- 1200mm Focal Length, f/5.9 Focal Ratio
- 25mm & 10mm Eyepieces
- 2" Crayford Focuser with 1.25" Adapter
Sky-Watcher 8" f/3.9 Quattro Imaging Newtonian Telescope (OTA Only)
BH # SK8GTCD MFR # S11210
Key Features
- 8" / 205mm Aperture
- 800mm Focal Length
- f/3.9 Focal Ratio Optimized for Imaging
- Highly Reflective Borosilicate Mirrors
Available in other Styles, Configurations & Kits
Explore Scientific 208mm Dobsonian Reflector Telescope (Black)
BH # EXON20859 MFR # ES-ON20859
Key Features
- Large 208mm/8" Aperture
- 1219mm Focal Length, f/5.9 Focal Ratio
- 2" Crayford Focuser with 1.25" Adapter
- 25mm 70° Eyepiece
Available in other Styles, Configurations & Kits
iOptron 300mm f/4 Imaging Newtonian Telescope Optical Tube Assembly
BH # IO6315 MFR # 6315
Key Features
- Newtonian Reflector
- 1200mm Focal Length, f/4 Focal Ratio
- BK7 Optical Glass Primary Mirror
- 8x50mm Finderscope
Available in other Styles, Configurations & Kits
Celestron StarSense Explorer 8" Smartphone App-Enabled Dobsonian Telescope
BH # CESSE203DOBT MFR # 22470
Key Features
- Use Smartphone for Tour of Night Sky
- StarSense Sky Recognition Technology
- Dobsonian-Style Base
- 8" Newtonian Reflector Optical Tube
Sky-Watcher Flextube 300P SynScan 12" f/4.9 Dobsonian GoTo AZ Telescope
BH # SK12GTCD MFR # S11820
Key Features
- Large 12" f/4.9 Aperture
- 1500mm Focal Length
- Highly Reflective Borosilicate Mirror
- Space-Saving Collapsible Tube Design
Available in other Styles, Configurations & Kits
iOptron Photron 200mm f/8 Ritchey-Chrétien Catadioptric Telescope (OTA Only)
BH # IO6112 MFR # 6112
Key Features
- 200mm Ritchey-Chrétien Catadioptric OTA
- 1624mm Focal Length, f/8 Focal Ratio
- Low Thermal-Expansion Quartz Mirrors
- Dielectric Mirror Coatings
Available in other Styles, Configurations & Kits
iOptron Photron 250mm f/8 Ritchey-Chrétien Catadioptric Telescope (OTA Only)
BH # IO6113 MFR # 6113
Key Features
- 250mm Ritchey-Chrétien Catadioptric OTA
- 2000mm Focal Length, f/8 Focal Ratio
- Low Thermal-Expansion Quartz Mirrors
- Dielectric Mirror Coatings
Available in other Styles, Configurations & Kits
Sky-Watcher 10" f/3.94 Quattro Imaging Newtonian Telescope (OTA Only)
BH # SK10QIN MFR # S11220
Key Features
- 10" / 254mm Aperture
- 1000mm Focal Length
- f/3.94 Focal Ratio Optimized for Imaging
- Highly Reflective Borosilicate Mirrors
Available in other Styles, Configurations & Kits
Explore Scientific AR152 152mm f/6.5 Achromatic Refractor Telescope (OTA only)
BH # EX152F65ARTO MFR # DAR152065-02
Key Features
- 152mm Aperture
- 988mm Focal Length, f/6.5 Focal Ratio
- Achromatic Doublet Lens System
- 2" Dual-Speed Crayford-Style Focuser
Sky-Watcher 7.5" f/5.3 Maksutov-Newtonian Telescope (OTA Only)
BH # SK190MMMCOTA MFR # S11550
Key Features
- 7.5" / 190mm Primary Aperture
- 1000mm Focal Length, f/5.3 Focal Ratio
- Apochromatic Compound Optical Path
- 2" Dual-Speed Crayford Focuser
Sky-Watcher Flextube 400P SynScan 16" f/4.4 Dobsonian GoTo AZ Telescope
BH # SK16GTCD MFR # S11840
Key Features
- Large 16" f/4.4 Aperture
- 1800mm Focal Length
- Highly Reflective Borosilicate Mirror
- Space-Saving Collapsible Tube Design
Available in other Styles, Configurations & Kits
Sky-Watcher 12" f/3.93 Quattro Imaging Newtonian Telescope (OTA Only)
BH # SK12QIN MFR # S11230
Key Features
- 12" / 305mm Aperture
- 1200mm Focal Length
- f/3.93 Focal Ratio Optimized for Imaging
- Highly Reflective Borosilicate Mirrors
Available in other Styles, Configurations & Kits
iOptron Photron 406mm f/8 Ritchey-Chretien Catadioptric Truss-Tube Telescope (OTA Only)
BH # IO6117 MFR # 6117
Key Features
- Open Carbon-Fiber Truss Tube System
- Better Thermal Dynamics than Solid Tubes
- 406mm Ritchey-Chretien Catadioptric OTA
- 3250mm Focal Length, f/8 Focal Ratio
Available in other Styles, Configurations & Kits
iOptron Photron 355mm f/8 Ritchey-Chretien Catadioptric Truss-Tube Telescope (OTA Only)
BH # IO6116 MFR # 6116
Key Features
- Open Carbon-Fiber Truss Tube System
- Better Thermal Dynamics than Solid Tubes
- 355mm Ritchey-Chretien Catadioptric OTA
- 2848mm Focal Length, f/8 Focal Ratio
Available in other Styles, Configurations & Kits
iOptron Photron 304mm f/8 Ritchey-Chretien Catadioptric Truss-Tube Telescope (OTA Only)
BH # IO6115 MFR # 6115
Key Features
- Open Carbon-Fiber Truss Tube System
- Better Thermal Dynamics than Solid Tubes
- 304mm Ritchey-Chretien Catadioptric OTA
- 2432mm Focal Length, f/8 Focal Ratio
Available in other Styles, Configurations & Kits
iOptron Photron 254mm f/8 Ritchey-Chretien Catadioptric Truss-Tube Telescope (OTA Only)
BH # IO6114 MFR # 6114
Key Features
- Open Carbon-Fiber Truss Tube System
- Better Thermal Dynamics than Solid Tubes
- 250mm Ritchey-Chretien Catadioptric OTA
- 2032mm Focal Length, f/8 Focal Ratio
Available in other Styles, Configurations & Kits
Starfield Newtonian 200mm f/4 Reflector Telescope (OTA Only)
BH # STSFN801 MFR # SF-N8-01
Key Features
- 200mm Newtonian Reflector OTA
- 800mm Focal Length, f/4 Focal Ratio
- 2" Dual-Speed Monorail Crayford Focuser
- Dielectric-Coated BK7 Primary Mirror
Available in other Styles, Configurations & Kits
Starfield Newtonian 150mm f/4 Reflector Telescope (OTA Only)
BH # STSFN601 MFR # SF-N6-01
Key Features
- 150mm Newtonian Reflector OTA
- 800mm Focal Length, f/4 Focal Ratio
- 2" Dual-Speed Monorail Crayford Focuser
- Dielectric-Coated BK7 Primary Mirror
Available in other Styles, Configurations & Kits
Sky-Watcher Heliostar 76mm f/8.3 H-Alpha Solar Telescope (OTA Only)
BH # SK76HASLTS MFR # S11315
Key Features
- Aperture: 76mm
- 630mm Focal Length, f/8.3 Focal Ratio
- Heliostar Solar Finder
- Solis Etalon with Trifid Tuner
Explore Scientific 208mm Dobsonian Reflector Telescope (Ruby Red)
BH # EXON20859RR MFR # ES-ON20859RR
Key Features
- Large 208mm/8" Aperture
- 1219mm Focal Length, f/5.9 Focal Ratio
- 2" Crayford Focuser with 1.25" Adapter
- 25mm & 10mm Eyepieces, 2x Barlow Lens
Available in other Styles, Configurations & Kits
Explore Scientific 154mm f/7.6 Dobsonian Reflector Telescope
BH # EXON15476 MFR # ES-ON15476
Key Features
- Large 154mm/6" Aperture
- 1170mm Focal Length, f/7.6 Focal Ratio
- 2" Crayford Focuser with 1.25" Adapter
- 25mm Eyepiece
Available in other Styles, Configurations & Kits
iOptron 250mm f/4 Imaging Newtonian Telescope Optical Tube Assembly
BH # IO6313 MFR # 6313
Key Features
- Newtonian Reflector
- 1000mm Focal Length, f/4 Focal Ratio
- BK7 Optical Glass Primary Mirror
- 8x50mm Finderscope
Available in other Styles, Configurations & Kits
iOptron 200mm f/4 Imaging Newtonian Telescope Optical Tube Assembly
BH # IO6312 MFR # 6312
Key Features
- Newtonian Reflector
- 800mm Focal Length, f/4 Focal Ratio
- BK7 Optical Glass Primary Mirror
- 8x50mm Finderscope
Available in other Styles, Configurations & Kits