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Green Witch > Astronomy > Telescopes > Telescopes by Make > Celestron > Optical Tube Assemblies - Schmidt Cassegrain

Celestron Optical Tube Assemblies

Celestron's Schmidt-Cassegrain optical tube assemblies enjoy a high reputation for quality and finish. Excellent optics, high-throughput XLT coatings and precision mechanics combine to give performance that the most discerning observer will appreciate.

Fastar-compatible tubes are ready to accept the Hyperstar prime-focus adaptor for wide-field imaging around f/2. Non-compatible tubes can be converted with the Hyperstar Adaptor.

Massive price reductions on selected optical tubes - see below

6-inch OTA 6-inch OTA Ref: DH-91010-XLT
  • CELESTRON 91010-XLT
  • 6" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 1500 mm focal length (f/10)
  • 25 mm eyepiece included (60x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope
  • Star diagonal
  • Includes dovetail rail compatible with CG-5 Advanced Series mount

Price: 579.00 (Including VAT at 20%)



8-inch OTA8-inch OTA Ref: DH-91020-XLT
  • CELESTRON 91020-XLT
  • 8" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2032 mm focal length (f/10)
  • 25 mm eyepiece included (81x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope
  • Star diagonal
  • Includes dovetail rail compatible with CG-5 Advanced Series mount

Price: 899.00 (Including VAT at 20%)



8-inch OTA8-inch OTA Ref: DH-91024-XLT
  • CELESTRON 91024-XLT
  • 8" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2032 mm focal length (f/10)
  • 25 mm eyepiece included (81x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope
  • Star diagonal
  • Includes dovetail rail compatible with CGE mount


Price: 869.00 (Including VAT at 20%)



9.25-inch OTA - (CG-5)9.25-inch OTA - (CG-5) Ref: DH-91025-XLT
  • CELESTRON 91025-XLT
  • 9.25" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2350 mm focal length (f/11)
  • 25 mm eyepiece included (94x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope to help accurately find objects Star diagonal
  • Includes dovetail rail compatible with CG-5 mount


Price: 1,249.00 (Including VAT at 20%)



9.25-inch OTA - (CGE)9.25-inch OTA - (CGE) Ref: DH-91027-XLT
  • CELESTRON 91027-XLT
  • 9.25" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2350 mm focal length (f/11)
  • 25 mm eyepiece included (94x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope to help accurately find objects Star diagonal
  • Includes dovetail rail compatible with CGE mount

Reduced from 1720



Price: 1,299.00 (Including VAT at 20%)



11-inch OTA (CGE)11-inch OTA (CGE) Ref: DH-91036-XLT
  • CELESTRON 91036-XLT
  • 11" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2800 mm focal length (f/10)
  • 40 mm 2" eyepiece included (70x)
  • Visual back allows for use with 1.25" accessories
  • 9x50 finderscope
  • Star diagonal
  • Includes dovetail rail compatible with CGE mount

Reduced from 2900


Price: 1,799.00 (Including VAT at 20%)



11-inch OTA (CG-5)11-inch OTA (CG-5) Ref: DH-91067-XLT
  • CELESTRON 91067-XLT
  • 11" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2800 mm focal length (f/10)
  • 40 mm 2" eyepiece included (70x)
  • Visual back allows for use with 1.25" accessories
  • 9x50 finderscope
  • Star diagonal
  • Includes dovetail rail compatible with CG-5 mount

Reduced from 2950


Price: 1,799.00 (Including VAT at 20%)



14-inch OTA (CGE)14-inch OTA (CGE) Ref: DH-91037-XLT
  • CELESTRON 91037-XLT
  • 14" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 3910 mm focal length (f/11)
  • 40 mm 2" eyepiece included (98x)
  • Visual back allows for use with 2" accessories
  • 9x50 finderscope
  • 2" mirror diagonal
  • Includes dovetail rail compatible with CGE mount

Price: 6,349.00 (Including VAT at 20%)



14-inch OTA Fastar (CGE)14-inch OTA Fastar (CGE) Ref: DH-91038-XLT
  • CELESTRON 91038-XLT
  • 14" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 3910 mm focal length (f/11)
  • 40 mm 2" eyepiece included (98x)
  • Visual back allows for use with 2" accessories
  • 9x50 finderscope
  • 2" mirror diagonal
  • Includes dovetail rail compatible with CGE mount
  • Fastar (and Hyperstar) Compatible

Price: 6,649.00 (Including VAT at 20%)



Green Witch > Astronomy > Telescopes > Telescopes by Make > Celestron > Optical Tube Assemblies - Schmidt Cassegrain

Buy with confidence from Green Witch North in Birstall (01924 477719) or Green Witch South in the Gransdens (01767 677025).