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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

Optical Tubes Only (OTA)

Filters

$6,699.00 - $6,699.00
$6,699.00
$6,699.00 - $6,699.00
$6,699.00

iOptron Photron 14" Ritchey-Chretien

IOP-6116

14" (355mm) Ritchey-Chretien Optical Design 2848mm Focal Length at f/8 Carbon Fiber Truss Tube for Thermal Stability Heavy-duty 3" Dual-Speed 10:1...

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$6,699.00 - $6,699.00
$6,699.00
$6,699.00 - $6,699.00
$6,699.00
$3,499.00 - $3,499.00
$3,499.00
$3,499.00 - $3,499.00
$3,499.00

Askar 130PHQ f/7 Quadruplet APO

ASK-130PHQ

130mm Aperture Quadruplet APO Optics 1000mm Focal Length at f/7.7 Built-in Field Flattener 60mm Corrected Image Circle Total Assembled Weight of 1...

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$3,499.00 - $3,499.00
$3,499.00
$3,499.00 - $3,499.00
$3,499.00
$1,645.00 - $1,645.00
$1,645.00
$1,645.00 - $1,645.00
$1,645.00

SharpStar 130mm f/2.8 HNT Hyperbolic Newtonian Astrograph

SSO-13028HNT-AL
1 in stock

130mm Hyperbolic Newtonian Optics 364mm Focal Length f/2.8 Focal Ratio 44mm Full-Frame Image Circle Total Assembled Weight: 4.8kg Description F...

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$1,645.00 - $1,645.00
$1,645.00
$1,645.00 - $1,645.00
$1,645.00
$4,615.00 - $4,615.00
$4,615.00
$4,615.00 - $4,615.00
$4,615.00

SharpStar SCA260 V2 260mm f/5 Super Cassegrain Astrograph

SSO-SCA260V2

260mm (10.2") Aperture Aspherical Primary Mirror 1300mm Focal Length at a fast f/5 Focal Ratio Massive 80mm Corrected Image Circle for Large Forma...

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$4,615.00 - $4,615.00
$4,615.00
$4,615.00 - $4,615.00
$4,615.00
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00

William Optics Fluorostar 132

Options available

132mm Aperture, 910mm Focal Length (f/6.9) Air-Spaced Triplet Apochromatic Objective Premium FPL-53 Glass for Superior Color Correction Heavy-Duty...

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$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00
$2,799.99 - $2,799.99
$2,799.99
$2,799.99 - $2,799.99
$2,799.99

Explore Scientific FCD100 Series 127mm f/7.5 Triplet APO Refractor - Carbon Fiber with 2.5" HEX Focuser

ES-FCD100-127075-CF-01

127mm Aperture f/7.5 Focal Ratio / 952mm Focal Length Air-Spaced Triplet Apochromat with FCD100 Glass Carbon Fiber Optical Tube 2.5" HEX Focuser ...

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$2,799.99 - $2,799.99
$2,799.99
$2,799.99 - $2,799.99
$2,799.99
$1,899.99 - $1,899.99
$1,899.99
$1,899.99 - $1,899.99
$1,899.99

Explore Scientific ED102-FCD100 Series Triplet Telescope - Carbon Fiber

ES-FCD100-10207-CF-01
1 in stock

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

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$1,899.99 - $1,899.99
$1,899.99
$1,899.99 - $1,899.99
$1,899.99
$849.99 - $849.99
$849.99
$849.99 - $849.99
$849.99

Explore Scientific AR152 Doublet Refractor

ES-DAR152065-02

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...

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$849.99 - $849.99
$849.99
$849.99 - $849.99
$849.99
$749.99 - $749.99
$749.99
$749.99 - $749.99
$749.99

Explore Scientific AR127 Doublet Refractor

ES-DAR127065-02

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

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$749.99 - $749.99
$749.99
$749.99 - $749.99
$749.99
$975.00 - $975.00
$975.00
$975.00 - $975.00
$975.00

Sky-Watcher Skymax 150

SW-S11530
1 in stock

151mm Maksutov-Cassegrain Optical Design 1800mm Focal Length f/12 Focal Ratio 94% Reflectivity Radiant Aluminum Quartz (RAQ)™ Coatings 31% Seconda...

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$975.00 - $975.00
$975.00
$975.00 - $975.00
$975.00
$610.00 - $610.00
$610.00
$610.00 - $610.00
$610.00

Sky-Watcher Skymax 127

SW-S11520

127mm Maksutov-Cassegrain Optical Design 1540mm Focal Length f/12.1 Focal Ratio Radiant™ Aluminum Quartz™ (RAQ™) coatings with 94% reflectivity We...

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$610.00 - $610.00
$610.00
$610.00 - $610.00
$610.00
$355.00 - $355.00
$355.00
$355.00 - $355.00
$355.00

Sky-Watcher Skymax 102

SW-S11510

102mm Maksutov-Cassegrain Optical Tube 1300mm Focal Length f/12.7 Focal Ratio 94% Reflectivity RAQ™ Mirror Coatings Weighs Only 4.6 lbs Descrip...

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$355.00 - $355.00
$355.00
$355.00 - $355.00
$355.00
$925.00 - $925.00
$925.00
$925.00 - $925.00
$925.00

Sky-Watcher Quattro 200P Imaging Newtonian 8" (205 mm)

SW-S11210
1 in stock

203mm (8-inch) Newtonian Reflector Astrograph Fast f/4 Focal Ratio for Short Exposures 800mm Focal Length 94% Reflectivity Radiant™ Aluminum Quart...

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$925.00 - $925.00
$925.00
$925.00 - $925.00
$925.00
$2,199.00 - $2,199.00
$2,199.00
$2,199.00 - $2,199.00
$2,199.00

Celestron 8” RASA OTA

CEL-91073
1 in stock

203mm (8") Rowe-Ackermann Schmidt Astrograph Incredibly fast 400mm f/2.0 optical system 22mm optimized image circle for sharp stars edge-to-edge U...

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$2,199.00 - $2,199.00
$2,199.00
$2,199.00 - $2,199.00
$2,199.00
Orion Optics UK VX20 DOB Optical Tube Assembly
$7,975.21 - $8,811.18
$7,975.21 - $8,811.18
$7,975.21 - $8,811.18
$7,975.21

Orion Optics UK VX20 DOB Optical Tube Assembly

Options available

500mm (20") primary mirror for exceptional light-gathering Fast f/4 focal ratio, ideal for deep-sky imaging Standard 1/6 PV wavefront optics, hand...

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$7,975.21 - $8,811.18
$7,975.21 - $8,811.18
$7,975.21 - $8,811.18
$7,975.21
Orion Optics UK VX16 Optical Tube Assembly
$5,129.77 - $5,802.99
$5,129.77 - $5,802.99
$5,129.77 - $5,802.99
$5,129.77

Orion Optics UK VX16 Optical Tube Assembly

Options available

400mm (16") primary mirror diameter 1600mm focal length at a fast f/4 focal ratio Standard 1/6 PV wavefront optics, Zygo-certified 9-point CNC-mac...

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$5,129.77 - $5,802.99
$5,129.77 - $5,802.99
$5,129.77 - $5,802.99
$5,129.77
Orion Optics UK VX14 Optical Tube Assembly
$3,956.45 - $4,252.37
$3,956.45 - $4,252.37
$3,956.45 - $4,252.37
$3,956.45

Orion Optics UK VX14 Optical Tube Assembly

Options available

350mm (14") primary mirror diameter 1600mm nominal focal length Fast f/4.6 focal ratio Standard 1/6 PV wavefront optical accuracy, certified by Zy...

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$3,956.45 - $4,252.37
$3,956.45 - $4,252.37
$3,956.45 - $4,252.37
$3,956.45
Orion Optics UK VX12L Optical Tube Assembly
$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69

Orion Optics UK VX12L Optical Tube Assembly

Options available

300mm (12") Primary Mirror 1600mm Focal Length f/5.3 Focal Ratio Standard 1/6 PV Wavefront Hand-Figured Optics CNC-Machined 9-Point Mirror Cell wi...

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$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69
Orion Optics UK VX12 Optical Tube Assembly
$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69

Orion Optics UK VX12 Optical Tube Assembly

Options available

300mm (12") primary mirror diameter 1200mm nominal focal length Fast f/4 focal ratio Standard 1/6 PV wavefront optical grade Lightweight 14kg alum...

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$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69 - $2,411.42
$2,137.69
Orion Optics UK VX10L Optical Tube Assembly
$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56

Orion Optics UK VX10L Optical Tube Assembly

Options available

250mm (10-inch) primary mirror for exceptional light-gathering 1600mm focal length at f/6.3, ideal for both planetary and deep-sky observation Sta...

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$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56
Orion Optics UK VX10 Optical Tube Assembly
$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56

Orion Optics UK VX10 Optical Tube Assembly

Options available

250mm (10") Primary Mirror Diameter 1200mm Nominal Focal Length f/4.8 Focal Ratio Standard 1/6 PV Wavefront Optics 11kg Nominal Tube Weight CNC 9-...

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$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56 - $1,773.71
$1,603.56
Orion Optics UK VX8L Optical Tube Assembly
$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93

Orion Optics UK VX8L Optical Tube Assembly

Options available

200mm Primary Mirror Diameter 1200mm Focal Length (f/6) Standard 1/6 PV Wavefront Optics 8kg Nominal Tube Weight CNC 9-Point Mirror Cell with Cool...

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$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93
Orion Optics UK VX8 Optical Tube Assembly
$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93

Orion Optics UK VX8 Optical Tube Assembly

Options available

200mm (8-inch) Primary Mirror 900mm Focal Length Fast f/4.5 Focal Ratio Standard 1/6 PV Wavefront Hand-Figured Optics Lightweight 7kg Aluminium Tu...

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$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93 - $1,309.50
$1,205.93
Orion Optics UK VX6L Optical Tube Assembly
$676.01 - $739.64
$676.01 - $739.64
$676.01 - $739.64
$676.01

Orion Optics UK VX6L Optical Tube Assembly

Options available

150mm Primary Mirror 1200mm Focal Length f/8 Focal Ratio 1/6 PV Wavefront Standard Optical Grade Lightweight 5kg Aluminum Tube Description FAQ ...

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$676.01 - $739.64
$676.01 - $739.64
$676.01 - $739.64
$676.01