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Apochromatic Refractors

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Explore Scientific ED80 Essential Series Air-Spaced Triplet Refractor Telescope (Bundle)
CA$1,680.00 - CA$1,680.00
CA$1,680.00
CA$1,680.00 - CA$1,680.00
CA$1,680.00

Explore Scientific ED80 Essential Series Air-Spaced Triplet Refractor Telescope (Bundle)

ES-ED-0806-FF-IEXOS100

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

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CA$1,680.00 - CA$1,680.00
CA$1,680.00
CA$1,680.00 - CA$1,680.00
CA$1,680.00
Explore Scientific ED80 Essential Series Air-Spaced Triplet Refractor Telescope with 0.8x Focal Reducer and iEXOS-100-2 PMC-Eight Equatorial Tracker System
CA$1,680.00 - CA$1,680.00
CA$1,680.00
CA$1,680.00 - CA$1,680.00
CA$1,680.00

Explore Scientific ED80 Essential Series Air-Spaced Triplet Refractor Telescope with 0.8x Focal Reducer and iEXOS-100-2 PMC-Eight Equatorial Tracker System

ES-ED-0806-FR0.8x-IEXOS100

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

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CA$1,680.00 - CA$1,680.00
CA$1,680.00
CA$1,680.00 - CA$1,680.00
CA$1,680.00
CA$1,903.00 - CA$1,903.00
CA$1,903.00
CA$1,903.00 - CA$1,903.00
CA$1,903.00

SVBONY SV550 122mm APO Refractor Telescope OTA

SV-F9381C

80mm Aperture f/6 Focal Ratio 480mm Focal Length Apochromatic Triplet Lens with FPL-51 ED Glass Super Multi-Coated (SMC) Optics 2900g Barrel Weigh...

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CA$1,903.00 - CA$1,903.00
CA$1,903.00
CA$1,903.00 - CA$1,903.00
CA$1,903.00
SVBONY SV550 80mm f/6 APO Triplet Refractor Telescope OTA
SVBONY SV550 80mm f/6 APO Triplet Refractor Telescope OTA
CA$783.00 - CA$783.00
CA$783.00
CA$783.00 - CA$783.00
CA$783.00

SVBONY SV550 80mm f/6 APO Triplet Refractor Telescope OTA

SV-F9381A
1 en stock

80mm Aperture Apochromatic Triplet Refractor 480mm Focal Length Fast f/6 Focal Ratio FPL51 ED Glass Element for Color Correction Resolving Power o...

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CA$783.00 - CA$783.00
CA$783.00
CA$783.00 - CA$783.00
CA$783.00
SVBONY SV503 70mm f/6.78 Quadruplet ED Flatfield Refractor Telescope OTA
SVBONY SV503 70mm f/6.78 Quadruplet ED Flatfield Refractor Telescope OTA
CA$503.00 - CA$503.00
CA$503.00
CA$503.00 - CA$503.00
CA$503.00

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

SV-F9359E
1 en 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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CA$503.00 - CA$503.00
CA$503.00
CA$503.00 - CA$503.00
CA$503.00
SVBONY SV503 102mm f/7 ED Doublet Refractor OTA
CA$735.00 - CA$735.00
CA$735.00
CA$735.00 - CA$735.00
CA$735.00

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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CA$735.00 - CA$735.00
CA$735.00
CA$735.00 - CA$735.00
CA$735.00
SVBONY SV555 54mm f/4.5 Petzval APO Astrograph Lens
SVBONY SV555 54mm f/4.5 Petzval APO Astrograph Lens
CA$714.00 - CA$714.00
CA$714.00
CA$714.00 - CA$714.00
CA$714.00

SVBONY SV555 54mm f/4.5 Petzval APO Astrograph Lens

SV-F9395A
1 en 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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CA$714.00 - CA$714.00
CA$714.00
CA$714.00 - CA$714.00
CA$714.00
William Optics Ultra-Cat 131 f/4.9 Petzval Astrograph
CA$7,449.00 - CA$7,449.00
CA$7,449.00
CA$7,449.00 - CA$7,449.00
CA$7,449.00

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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CA$7,449.00 - CA$7,449.00
CA$7,449.00
CA$7,449.00 - CA$7,449.00
CA$7,449.00
CA$2,099.00 - CA$2,099.00
CA$2,099.00
CA$2,099.00 - CA$2,099.00
CA$2,099.00

Askar 111F Flat-Field Astrograph

ASK-ASKAR111F
1 en 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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CA$2,099.00 - CA$2,099.00
CA$2,099.00
CA$2,099.00 - CA$2,099.00
CA$2,099.00
Askar 131F Flat-Field APO Refractor
CA$2,799.00 - CA$2,799.00
CA$2,799.00
CA$2,799.00 - CA$2,799.00
CA$2,799.00

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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CA$2,799.00 - CA$2,799.00
CA$2,799.00
CA$2,799.00 - CA$2,799.00
CA$2,799.00
Askar 60F Flat-Field Astrograph
CA$699.00 - CA$699.00
CA$699.00
CA$699.00 - CA$699.00
CA$699.00

Askar 60F Flat-Field Astrograph

ASK-ASAPO60F
1 en 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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CA$699.00 - CA$699.00
CA$699.00
CA$699.00 - CA$699.00
CA$699.00
Askar 203APO f/7 Triplet APO Refractor
CA$12,011.00 - CA$12,011.00
CA$12,011.00
CA$12,011.00 - CA$12,011.00
CA$12,011.00

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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CA$12,011.00 - CA$12,011.00
CA$12,011.00
CA$12,011.00 - CA$12,011.00
CA$12,011.00
Askar 151PHQ f/7 Quadruplet Astrograph
CA$6,299.00 - CA$6,299.00
CA$6,299.00
CA$6,299.00 - CA$6,299.00
CA$6,299.00

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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CA$6,299.00 - CA$6,299.00
CA$6,299.00
CA$6,299.00 - CA$6,299.00
CA$6,299.00
Askar 65PHQ f/6.4 Quintuplet Flat-Field Astrograph
CA$1,259.00 - CA$1,259.00
CA$1,259.00
CA$1,259.00 - CA$1,259.00
CA$1,259.00

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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CA$1,259.00 - CA$1,259.00
CA$1,259.00
CA$1,259.00 - CA$1,259.00
CA$1,259.00
Askar SQA130 f/4.8 Quintuplet Petzval Astrograph
CA$6,719.00 - CA$6,719.00
CA$6,719.00
CA$6,719.00 - CA$6,719.00
CA$6,719.00

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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CA$6,719.00 - CA$6,719.00
CA$6,719.00
CA$6,719.00 - CA$6,719.00
CA$6,719.00
CA$6,670.00 - CA$6,670.00
CA$6,670.00
CA$6,670.00 - CA$6,670.00
CA$6,670.00

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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CA$6,670.00 - CA$6,670.00
CA$6,670.00
CA$6,670.00 - CA$6,670.00
CA$6,670.00
CA$2,819.00 - CA$2,819.00
CA$2,819.00
CA$2,819.00 - CA$2,819.00
CA$2,819.00

ZWO Lunette quadruplet FF131-APO 131mm F/7.5

ZWO-FF131-APO
1 en stock

Ouverture de 131mm Focale de 983mm (f/7.5) Formule quadruplet à 4 éléments à lame d'air Porte-oculaire à crémaillère double vitesse de 3" Poids de...

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CA$2,819.00 - CA$2,819.00
CA$2,819.00
CA$2,819.00 - CA$2,819.00
CA$2,819.00
CA$1,409.00 - CA$1,409.00
CA$1,409.00
CA$1,409.00 - CA$1,409.00
CA$1,409.00

ZWO Lunette quadruplet FF90-APO 90mm F/6.8

ZWO-FF90-APO

Ouverture de 90mm Focale de 609mm (f/6.8) Formule optique quadruplet à 4 éléments Porte-oculaire à crémaillère 3" double vitesse Poids de 9.97 lb ...

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CA$1,409.00 - CA$1,409.00
CA$1,409.00
CA$1,409.00 - CA$1,409.00
CA$1,409.00
CA$1,792.00 - CA$1,792.00
CA$1,792.00
CA$1,792.00 - CA$1,792.00
CA$1,792.00

Askar SQA60 Pro 60mm f/4.6 Sextuplet APO

ASK-SQA60
2 en 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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CA$1,792.00 - CA$1,792.00
CA$1,792.00
CA$1,792.00 - CA$1,792.00
CA$1,792.00
Tele Vue TV-NP127is OTA 1
CA$10,322.00 - CA$10,322.00
CA$10,322.00
CA$10,322.00 - CA$10,322.00
CA$10,322.00

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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CA$10,322.00 - CA$10,322.00
CA$10,322.00
CA$10,322.00 - CA$10,322.00
CA$10,322.00
Tele Vue TV-NP101is OTA 1
CA$5,974.00 - CA$5,974.00
CA$5,974.00
CA$5,974.00 - CA$5,974.00
CA$5,974.00

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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CA$5,974.00 - CA$5,974.00
CA$5,974.00
CA$5,974.00 - CA$5,974.00
CA$5,974.00
Tele Vue TV-85 OTA - Green 1
CA$3,034.00 - CA$3,034.00
CA$3,034.00
CA$3,034.00 - CA$3,034.00
CA$3,034.00

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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CA$3,034.00 - CA$3,034.00
CA$3,034.00
CA$3,034.00 - CA$3,034.00
CA$3,034.00
Tele Vue TV-76 OTA - Green 1
CA$2,428.00 - CA$2,428.00
CA$2,428.00
CA$2,428.00 - CA$2,428.00
CA$2,428.00

Tele Vue TV-76 OTA - Green

TV-GXO-3065

Aperture: 76mm Focal Length: 480mm Focal Ratio: f/6.3 Optical Design: APO Doublet (2 elements / 1 group) Focuser: 2-inch Focusmate Dual-Speed Rack...

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CA$2,428.00 - CA$2,428.00
CA$2,428.00
CA$2,428.00 - CA$2,428.00
CA$2,428.00
Tele Vue TV-76 OTA - White 1
CA$2,428.00 - CA$2,428.00
CA$2,428.00
CA$2,428.00 - CA$2,428.00
CA$2,428.00

Tele Vue TV-76 OTA - White

TV-WXO-3065

Aperture: 76mm Focal Length: 480mm Focal Ratio: f/6.3 Optical Design: APO Doublet (2 elements / 1 group) Focuser: 2-inch Focusmate Dual-Speed Rack...

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CA$2,428.00 - CA$2,428.00
CA$2,428.00
CA$2,428.00 - CA$2,428.00
CA$2,428.00