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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)

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SVBONY SV503 70mm f/6.78 Quadruplet ED Flatfield Refractor Telescope OTA
SVBONY SV503 70mm f/6.78 Quadruplet ED Flatfield Refractor Telescope OTA
$359.00 - $359.00
$359.00
$359.00 - $359.00
$359.00

SVBONY SV503 70mm f/6.78 Quadruplet ED Flatfield Refractor Telescope OTA

SV-F9359E
1 in stock

70mm Aperture Quadruplet Astrograph 474mm Focal Length (f/6.78) 32mm Corrected Flat-Field Image Circle 2.5" Rack-and-Pinion Focuser 127.5mm Workin...

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$359.00 - $359.00
$359.00
$359.00 - $359.00
$359.00
SVBONY SV503 102mm f/7 ED Doublet Refractor OTA
$525.00 - $525.00
$525.00
$525.00 - $525.00
$525.00

SVBONY SV503 102mm f/7 ED Doublet Refractor Telescope OTA

SV-F9359D

102mm Aperture ED Doublet Refractor 714mm Focal Length (f/7) S-FPL51 Extra-Low Dispersion Glass 1:10 Dual-Speed Rack & Pinion Focuser 101.9mm ...

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$525.00 - $525.00
$525.00
$525.00 - $525.00
$525.00
SVBONY SV48P 102mm f/6.5 Achromatic Refractor Telescope OTA
SVBONY SV48P 102mm f/6.5 Achromatic Refractor Telescope OTA
$229.99 - $229.99
$229.99
$229.99 - $229.99
$229.99

SVBONY SV48P 102mm f/6.5 Achromatic Refractor Telescope OTA

SV-F9341C

102mm Aperture 663mm Focal Length (f/6.5) Achromatic Doublet Lens 2.5-inch Dual-Speed RAP Focuser 210mm Vixen-Style Dovetail Description FAQ Sp...

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$229.99 - $229.99
$229.99
$229.99 - $229.99
$229.99
SVBONY SV48P 90mm f/5.5 Achromatic Refractor Telescope OTA
SVBONY SV48P 90mm f/5.5 Achromatic Refractor Telescope OTA
$209.00 - $209.00
$209.00
$209.00 - $209.00
$209.00

SVBONY SV48P 90mm f/5.5 Achromatic Refractor Telescope OTA

SV-F9341A

90mm Aperture 500mm Focal Length (f/5.5) Achromatic Doublet Lens 2-inch Dual-Speed Rack-and-Pinion Focuser Fully Multi-Coated (FMC) Optics Net Wei...

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$209.00 - $209.00
$209.00
$209.00 - $209.00
$209.00
Svbony MK90 90mm Maksutov-Cassegrain Telescope
$169.99 - $169.99
$169.99
$169.99 - $169.99
$169.99

SVBONY MK90 90mm Maksutov-Cassegrain Telescope OTA

SV-F9382B

90mm Aperture Maksutov-Cassegrain Optical Design Internal Baffling for Stray Light Control 70mm Vixen-Style Dovetail Plate Standard 1.25-inch Focu...

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$169.99 - $169.99
$169.99
$169.99 - $169.99
$169.99
Svbony MK105 Maksutov Cassegrain OTA 105mm Telescope
$230.00 - $230.00
$230.00
$230.00 - $230.00
$230.00

SVBONY MK105 105mm Maksutov-Cassegrain Telescope OTA

SV-F9382A

105mm Maksutov-Cassegrain Optics 1365mm Focal Length f/13 Focal Ratio Weighs Only 4.83 lbs (2193g) 377mm Optical Tube Length Dual Finder Mounting ...

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$230.00 - $230.00
$230.00
$230.00 - $230.00
$230.00
SVBONY SV555 54mm f/4.5 Petzval APO Astrograph Lens
SVBONY SV555 54mm f/4.5 Petzval APO Astrograph Lens
$509.99 - $509.99
$509.99
$509.99 - $509.99
$509.99

SVBONY SV555 54mm f/4.5 Petzval APO Astrograph Lens

SV-F9395A
1 in stock

54mm Aperture / 243mm Focal Length (f/4.5) 5-Element Petzval APO Optical Design 44mm Full-Frame Image Circle Variable f/4.5 to f/22 Aperture Ring ...

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$509.99 - $509.99
$509.99
$509.99 - $509.99
$509.99
William Optics Ultra-Cat 131 f/4.9 Petzval Astrograph
$5,398.00 - $5,398.00
$5,398.00
$5,398.00 - $5,398.00
$5,398.00

William Optics Ultra-Cat 131 f/4.9 Petzval Astrograph

WO-T-C-131BR

131mm Aperture 648mm Focal Length (f/4.9) 5-Element Advanced Petzval Optical Design 60mm Flat-Field Image Circle Patented WIFD Internal Focuser 13...

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$5,398.00 - $5,398.00
$5,398.00
$5,398.00 - $5,398.00
$5,398.00
Sharpstar SCA310 f/3.8 Aspherical Cassegrain Astrograph
$7,995.00 - $7,995.00
$7,995.00
$7,995.00 - $7,995.00
$7,995.00

Sharpstar SCA310 f/3.8 Aspherical Cassegrain Astrograph

SSO-SCA310

310mm Aperture Aspherical Primary Mirror 1178mm Focal Length at a Fast f/3.8 55mm Corrected Image Circle for Medium Format Sensors Triplet Correct...

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$7,995.00 - $7,995.00
$7,995.00
$7,995.00 - $7,995.00
$7,995.00
$1,499.00 - $1,499.00
$1,499.00
$1,499.00 - $1,499.00
$1,499.00

Askar 111F Flat-Field Astrograph

ASK-ASKAR111F
1 in stock

111mm Aperture Quadruplet APO Optics 766mm Focal Length at f/6.9 44mm Full-Frame Corrected Image Circle Integrated Field Flattener Design 5.74kg N...

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$1,499.00 - $1,499.00
$1,499.00
$1,499.00 - $1,499.00
$1,499.00
Askar 131F Flat-Field APO Refractor
$1,999.00 - $1,999.00
$1,999.00
$1,999.00 - $1,999.00
$1,999.00

Askar 131F Flat-Field APO Refractor

ASK-ASAPO131F

131mm Aperture f/7.5 Focal Ratio Quadruplet Air-Spaced APO Optical Design Includes one ED Glass Element 44mm Full-Frame Image Circle Integrated Fi...

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$1,999.00 - $1,999.00
$1,999.00
$1,999.00 - $1,999.00
$1,999.00
Askar 60F Flat-Field Astrograph
$499.00 - $499.00
$499.00
$499.00 - $499.00
$499.00

Askar 60F Flat-Field Astrograph

ASK-ASAPO60F
1 in stock

60mm Aperture Quadruplet APO Optics 408mm Focal Length f/6.8 Native Focal Ratio 44mm Full-Frame Image Circle Integrated Field Flattener 2.86kg Gro...

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$499.00 - $499.00
$499.00
$499.00 - $499.00
$499.00
Askar 203APO f/7 Triplet APO Refractor
$8,579.00 - $8,579.00
$8,579.00
$8,579.00 - $8,579.00
$8,579.00

Askar 203APO f/7 Triplet APO Refractor

ASK-203APO

203mm Aperture Triplet Air-Spaced APO Objective 1421mm Focal Length at f/7 Includes one ED (Extra-Low Dispersion) Glass Element Retractable Tube D...

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$8,579.00 - $8,579.00
$8,579.00
$8,579.00 - $8,579.00
$8,579.00
Askar 151PHQ f/7 Quadruplet Astrograph
$4,499.00 - $4,499.00
$4,499.00
$4,499.00 - $4,499.00
$4,499.00

Askar 151PHQ f/7 Quadruplet Astrograph

ASK-151PHQ

151mm Aperture Quadruplet APO Optics 1057mm Focal Length at f/7 Integrated Flattener for a 60mm Image Circle Includes Two ED Glass Elements for Co...

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$4,499.00 - $4,499.00
$4,499.00
$4,499.00 - $4,499.00
$4,499.00
Askar 65PHQ f/6.4 Quintuplet Flat-Field Astrograph
$899.00 - $899.00
$899.00
$899.00 - $899.00
$899.00

Askar 65PHQ f/6.4 Quintuplet Flat-Field Astrograph

ASK-65PHQ

65mm Aperture Quintuplet APO Optical Design 416mm Focal Length at f/6.4 Built-in Field Flattener with 44mm Image Circle 2.8kg Total Weight Includi...

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$899.00 - $899.00
$899.00
$899.00 - $899.00
$899.00
Askar SQA130 f/4.8 Quintuplet Petzval Astrograph
$4,799.00 - $4,799.00
$4,799.00
$4,799.00 - $4,799.00
$4,799.00

Askar SQA130 f/4.8 Quintuplet Petzval Astrograph

ASK-SQA130

130mm Aperture Quintuplet Petzval APO Optics 624mm Focal Length at a Fast f/4.8 Focal Ratio 55mm Corrected Image Circle for Medium Format Sensors ...

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$4,799.00 - $4,799.00
$4,799.00
$4,799.00 - $4,799.00
$4,799.00
$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00

Askar N160 f/3.6 Newtonian

ASK-N160
1 in stock

160mm Aperture Parabolic Mirror f/3.4 Focal Ratio with Included 0.95x Corrector 544mm Corrected Focal Length Carbon Fiber Tube Construction 3.97kg...

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$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
$4,795.00 - $4,795.00
$4,795.00
$4,795.00 - $4,795.00
$4,795.00

Sky-Watcher Esprit 150 EDX Super APO Triplet f/7 Telescope

SW-S11455

Designed with the discerning astrophotographer in mind, Sky-Watcher’s ALL NEW top-of-the-line Esprit EDX refractors deliver the kind of imaging per...

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$4,795.00 - $4,795.00
$4,795.00
$4,795.00 - $4,795.00
$4,795.00
$1,999.00 - $1,999.00
$1,999.00
$1,999.00 - $1,999.00
$1,999.00

ZWO FF131-APO 131mm Quadruplet Refractor F/7.5

ZWO-FF131-APO
1 in stock

131mm Aperture 983mm Focal Length (f/7.5) 4-Element Air-Spaced Quadruplet Design 3-inch Dual-Speed Rack & Pinion Focuser 20.7 lb. Weight with ...

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$1,999.00 - $1,999.00
$1,999.00
$1,999.00 - $1,999.00
$1,999.00
$999.00 - $999.00
$999.00
$999.00 - $999.00
$999.00

ZWO FF90-APO 90mm Quadruplet Refractor F/6.8

ZWO-FF90-APO

90mm Aperture 609mm Focal Length (f/6.8) 4-Element Quadruplet Optical Design 3" Dual-Speed Rack & Pinion Focuser 9.97 lb. Weight with Handle, ...

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$999.00 - $999.00
$999.00
$999.00 - $999.00
$999.00
$1,260.29 - $1,260.29
$1,260.29
$1,260.29 - $1,260.29
$1,260.29

Askar SQA60 Pro 60mm f/4.6 Sextuplet APO

ASK-SQA60
2 in stock

60mm Aperture Sextuplet APO Optics 276mm Focal Length at a Fast f/4.6 44mm Full-Frame Corrected Image Circle Integrated Petzval Design with 2 SD G...

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$1,260.29 - $1,260.29
$1,260.29
$1,260.29 - $1,260.29
$1,260.29
Tele Vue TV-NP127is OTA 1
$7,373.00 - $7,373.00
$7,373.00
$7,373.00 - $7,373.00
$7,373.00

Tele Vue TV-NP127is OTA

TV-NPI-5054

Aperture: 127mm Focal Length: 660mm Focal Ratio: f/5.2 Optical Design: APO Nagler-Petzval (4 elements / 2 groups) Focuser: 2.4" Focusmate Dual-Spe...

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$7,373.00 - $7,373.00
$7,373.00
$7,373.00 - $7,373.00
$7,373.00
Tele Vue TV-NP101is OTA 1
$4,267.00 - $4,267.00
$4,267.00
$4,267.00 - $4,267.00
$4,267.00

Tele Vue TV-NP101is OTA

TV-NPI-4057

Aperture: 101mm Focal Length: 540mm Focal Ratio: f/5.4 Optical Design: APO Nagler-Petzval (4 elements / 2 groups) Focuser: 2.4" Focusmate Dual-Spe...

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$4,267.00 - $4,267.00
$4,267.00
$4,267.00 - $4,267.00
$4,267.00
Tele Vue TV-85 OTA - Green 1
$2,167.00 - $2,167.00
$2,167.00
$2,167.00 - $2,167.00
$2,167.00

Tele Vue TV-85 OTA - Green

TV-GXO-3372

Aperture: 85mm Focal Length: 600mm Focal Ratio: f/7 Optical Design: APO Doublet (2 elements / 1 group) Focuser: 2-inch Focusmate Dual-Speed Rack a...

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$2,167.00 - $2,167.00
$2,167.00
$2,167.00 - $2,167.00
$2,167.00