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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.

Ritchey-Chrétien & Dall-Kirkham Telescopes

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$1,178.00 - $1,178.00
$1,178.00
$1,178.00 - $1,178.00
$1,178.00

iOptron Photron 8" Ritchey-Chretien

IOP-6112
2 in stock

200mm (8") Ritchey-Chretien Optical Design 1624mm Focal Length at f/8 Coma-Free Optics for Flat-Field Astrophotography 2" 10:1 Dual-Speed Crayford...

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$1,178.00 - $1,178.00
$1,178.00
$1,178.00 - $1,178.00
$1,178.00
$558.00 - $558.00
$558.00
$558.00 - $558.00
$558.00

iOptron Photron 6" Ritchey-Chretien

IOP-6111
1 in stock

150mm (6") Ritchey-Chretien Optical Design 1370mm Focal Length f/9 Focal Ratio 10:1 Dual-Speed 2" Crayford Focuser 12 lbs Tube Weight Descripti...

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$558.00 - $558.00
$558.00
$558.00 - $558.00
$558.00
$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
Orion Optics UK ODK24Tr Truss Optical Tube Assembly
$84,522.15 - $84,522.15
$84,522.15
$84,522.15 - $84,522.15
$84,522.15

Orion Optics UK ODK24Tr Truss Optical Tube Assembly

OOUK-ODK24TR-OPTICAL-TUBE-ASSEMBLY

Optimized Dall-Kirkham (ODK) Optical Design Corrected, Coma-Free Flat Field for Imaging Open Truss Tube for Thermal Stability and Rigidity Hand-Fi...

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$84,522.15 - $84,522.15
$84,522.15
$84,522.15 - $84,522.15
$84,522.15
Orion Optics UK ODK20Tr Optical tube assembly
$38,010.65 - $38,010.65
$38,010.65
$38,010.65 - $38,010.65
$38,010.65

Orion Optics UK ODK20Tr Optical tube assembly

OOUK-ODK20TR-OPTICAL-TUBE-ASSEMBLY

500mm truss-tube Dall-Kirkham f/6.8 carbon-fibre-sandwich optics Open truss for shorter packed length Built to order in the UK Description Spec...

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$38,010.65 - $38,010.65
$38,010.65
$38,010.65 - $38,010.65
$38,010.65
Orion Optics UK ODK18Tr Truss Optical Tube Assembly
$31,023.65 - $31,023.65
$31,023.65
$31,023.65 - $31,023.65
$31,023.65

Orion Optics UK ODK18Tr Truss Optical Tube Assembly

OOUK-ODK18TR-OPTICAL-TUBE-ASSEMBLY

Optimized Dall-Kirkham (ODK) Optical Design Open Truss Tube Framework Primary and Secondary Mirrors by Orion Optics UK Engineered for Astrophotogr...

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$31,023.65 - $31,023.65
$31,023.65
$31,023.65 - $31,023.65
$31,023.65
Orion Optics UK ODK16Tr Truss Optical Tube Assembly
$19,926.65 - $19,926.65
$19,926.65
$19,926.65 - $19,926.65
$19,926.65

Orion Optics UK ODK16Tr Truss Optical Tube Assembly

OOUK-ODK16TR-OPTICAL-TUBE-ASSEMBLY

400mm (16") Optimized Dall-Kirkham Optics 2720mm Focal Length (f/6.8) >52mm Fully Corrected and Illuminated Image Circle 2.4µm On-Axis Spot Siz...

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$19,926.65 - $19,926.65
$19,926.65
$19,926.65 - $19,926.65
$19,926.65
Orion Optics UK ODK14Tr Truss Optical Tube Assembly
$14,446.65 - $14,446.65
$14,446.65
$14,446.65 - $14,446.65
$14,446.65

Orion Optics UK ODK14Tr Truss Optical Tube Assembly

OOUK-ODK14TR-OPTICAL-TUBE-ASSEMBLY

350mm (14") Optimized Dall-Kirkham Optics 2380mm Focal Length (f/6.8) >52mm Fully Illuminated and Corrected Image Circle 2.1µm On-Axis Spot Siz...

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$14,446.65 - $14,446.65
$14,446.65
$14,446.65 - $14,446.65
$14,446.65
Orion Optics UK ODK12Tr Truss Optical Tube Assembly
$11,432.65 - $11,432.65
$11,432.65
$11,432.65 - $11,432.65
$11,432.65

Orion Optics UK ODK12Tr Truss Optical Tube Assembly

OOUK-ODK12TR-OPTICAL-TUBE-ASSEMBLY

300mm (12") Optimized Dall-Kirkham Astrograph 2040mm Focal Length (f/6.8) >52mm Flat, Corrected Image Circle 1.8µm On-Axis Spot Size Carbon Fib...

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$11,432.65 - $11,432.65
$11,432.65
$11,432.65 - $11,432.65
$11,432.65
Orion Optics UK ODK10Tr Truss Optical Tube Assembly
$8,083.00 - $8,083.00
$8,083.00
$8,083.00 - $8,083.00
$8,083.00

Orion Optics UK ODK10Tr Truss Optical Tube Assembly

OOUK-ODK10TR-OPTICAL-TUBE-ASSEMBLY

250mm (10-inch) Optimized Dall-Kirkham optics 1700mm focal length at a native f/6.8 focal ratio 50mm fully corrected, flat image circle for large ...

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$8,083.00 - $8,083.00
$8,083.00
$8,083.00 - $8,083.00
$8,083.00
Orion Optics UK ODK16 Optical Tube Assembly
$18,008.65 - $18,008.65
$18,008.65
$18,008.65 - $18,008.65
$18,008.65

Orion Optics UK ODK16 Optical Tube Assembly

OOUK-ODK16-OPTICAL-TUBE-ASSEMBLY

400mm (16") Primary Mirror Diameter 2720mm Focal Length at f/6.8 Corrected Dall-Kirkham Optical Design >52mm Flat Field Image Circle Carbon Fib...

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$18,008.65 - $18,008.65
$18,008.65
$18,008.65 - $18,008.65
$18,008.65
Orion Optics UK ODK14 Optical Tube Assembly
$12,939.65 - $12,939.65
$12,939.65
$12,939.65 - $12,939.65
$12,939.65

Orion Optics UK ODK14 Optical Tube Assembly

OOUK-ODK14-OPTICAL-TUBE-ASSEMBLY

Primary Mirror Diameter: 350mm Focal Ratio: f/6.8 Corrected Image Circle: >52mm Tube Material: Carbon Fibre Sandwich Back Focus: 210mm Tu...

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$12,939.65 - $12,939.65
$12,939.65
$12,939.65 - $12,939.65
$12,939.65
Orion Optics UK ODK12 Optical Tube Assembly
$9,514.65 - $9,514.65
$9,514.65
$9,514.65 - $9,514.65
$9,514.65

Orion Optics UK ODK12 Optical Tube Assembly

OOUK-ODK12-OPTICAL-TUBE-ASSEMBLY

300mm (12") Optimised Dall-Kirkham Optics 2040mm Focal Length at a fast f/6.8 Focal Ratio Covers a greater than 52mm flat imaging circle Delivers ...

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$9,514.65 - $9,514.65
$9,514.65
$9,514.65 - $9,514.65
$9,514.65
Orion Optics UK ODK10 Optical Tube Assembly
$5,952.65 - $5,952.65
$5,952.65
$5,952.65 - $5,952.65
$5,952.65

Orion Optics UK ODK10 Optical Tube Assembly

OOUK-ODK10-OPTICAL-TUBE-ASSEMBLY

250mm (10") Corrected Dall-Kirkham Optics 1700mm Focal Length at f/6.8 50mm Fully Corrected Flat Image Circle 3.5μm On-Axis Spot Size Carbon Fibre...

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$5,952.65 - $5,952.65
$5,952.65
$5,952.65 - $5,952.65
$5,952.65
iOptron Photron™ 10-inch Ritchey-Chrétien Telescope (RC10) 3'' Focuser
$2,888.00 - $2,888.00
$2,888.00
$2,888.00 - $2,888.00
$2,888.00

iOptron Photron™ 10-inch Ritchey-Chrétien Telescope (RC10) 3'' Focuser

IOP-6113

250mm (10-inch) Ritchey-Chrétien Optical Design 2000mm Focal Length at f/8 0.46 arc second Resolving Power 3-inch Dual Speed Focuser 35 lb Steel T...

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$2,888.00 - $2,888.00
$2,888.00
$2,888.00 - $2,888.00
$2,888.00
$8,799.00 - $8,799.00
$8,799.00
$8,799.00 - $8,799.00
$8,799.00

iOptron Photron 16" Ritchey-Chretien

IOP-6117

16" (406mm) Aperture 3248mm Focal Length f/8 Focal Ratio Ritchey-Chretien Optical Design Carbon Fiber Truss Tube 3" 10:1 Dual-Speed Focuser Des...

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$8,799.00 - $8,799.00
$8,799.00
$8,799.00 - $8,799.00
$8,799.00
$4,158.00 - $4,158.00
$4,158.00
$4,158.00 - $4,158.00
$4,158.00

iOptron Photron 12" Ritchey-Chretien

IOP-6115

12" (304mm) Ritchey-Chretien Optics 2432mm Focal Length f/8 Focal Ratio Carbon Fiber Truss Tube Design 3" Dual-Speed 10:1 Crayford Focuser 53 lb O...

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$4,158.00 - $4,158.00
$4,158.00
$4,158.00 - $4,158.00
$4,158.00
$3,198.00 - $3,198.00
$3,198.00
$3,198.00 - $3,198.00
$3,198.00

iOptron Photron 10" Ritchey-Chretien

IOP-6114

10" (254mm) Ritchey-Chretien Optical Design 2032mm Focal Length f/8 Focal Ratio Carbon Fiber Truss Tube for Thermal Stability 3-inch, 10:1 Dual-Sp...

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$3,198.00 - $3,198.00
$3,198.00
$3,198.00 - $3,198.00
$3,198.00