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Closed October 10–12 for Thanksgiving weekend
Closed October 10–12 for Thanksgiving weekend

Parts and Accessories

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Starlight Instruments 2.0" Adapter RP for Astro-Tech 6" and 8" RITCHIE CHRETIEN Telescopes

SI-A20-3003-1

Connects a Starlight Instruments 2.0" Rack and Pinion focuser to your telescope Designed for Astro-Tech 6" and 8" Ritchey-Chrétien models Also com...

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Starlight Instruments 2.0" Adapter RP for Astro-Tech 65mm Telescopes

SI-A20-3003-2

Connects Starlight Instruments 2.0" Rack & Pinion focusers to Astro-Tech 65mm telescopes Enables precision focusing for visual and astrophotog...

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Starlight Instruments 2.0" Adapter RP for Meade 10, 12, 14" SCT Telescopes

SI-A20-3003-6

Connects a 2.0" Feather Touch Rack & Pinion Focuser to large Meade SCTs Compatible with Meade 10", 12", and 14" Schmidt-Cassegrain models Prov...

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Starlight Instruments 2.0" Adapter RP w/ M109X1 Thread

SI-A20-3003-10

Connects 2.0" Feather Touch Rack & Pinion focusers to a telescope Features a female M109x1 thread for secure attachment Designed for heavy ima...

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Starlight Instruments 2.0" Adapter to Attach Orion 0.85 Focal Reducer

SI-A20-287A

Connects 2.0" Feather Touch Focusers to the Orion 0.85x Reducer Provides a Secure, Direct-Threaded Connection Eliminates Tilt and Flexure from Com...

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CA$224.00 - CA$224.00
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Starlight Instruments 2.0" Adapter w/ Small Inside Synta Dimension for Orion, Celestron, Sky-Watcher Vixen & Synta Telescopes

SI-A20-225

Enables mounting a 2.0" Feather Touch focuser Designed for Synta-family refractors (Orion, Celestron, Sky-Watcher, Vixen) 3.41-inch outer diameter...

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CA$196.00 - CA$196.00
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Starlight Instruments 2.0" Base Curved w/ Leveling Screws

SI-BA20CL

Custom-machined to your telescope's exact tube diameter Provides a perfectly curved, stable mounting platform Designed specifically for 2.0" Feath...

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CA$196.00 - CA$196.00
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CA$280.00 - CA$280.00
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Starlight Instruments 2.0" Base Curved w/ Leveling Screws for Vixen R200SS OTA

SI-BA20CL-R200SS

Custom-curved base for the Vixen R200SS OTA Provides a mounting platform for a 2.0" Starlight Instruments Feather Touch focuser Features integrate...

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CA$126.00 - CA$126.00
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Starlight Instruments 2.0" Base Flat w/ Leveling Screws

SI-BA20FL

For 2.0" Feather Touch Focusers Flat Base for Flat Mounting Surfaces Includes Integrated Leveling Screws for Collimation Provides Rigid, Tilt-Free...

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CA$112.00 - CA$154.00
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CA$112.00

Starlight Instruments 2.0" Diameter Riser

Options available

Adds fixed height to 2.0" diameter focuser bases on Newtonian telescopes Solves focus issues for accessories with long back-focus requirements Ava...

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CA$112.00 - CA$154.00
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Starlight Instruments 2.5" Adapter for Celestron C11/C14 SCT Telescopes

SI-A25-2003-15

Adapts 2.5" Feather Touch Focusers Compatible with Celestron C11 Telescopes Compatible with Celestron C14 Telescopes Threads Directly to SCT Rear ...

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Starlight Instruments 2.5" Adapter for Coronado Solar Max 90/Solar Max II

SI-A25-2003-21

Securely mounts a 2.5" Feather Touch focuser to your solar telescope Designed specifically for Coronado Solar Max 90 and Solar Max II models Enabl...

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Starlight Instruments 2.5" Adapter for Explore Scientific 80mm TED 0806-01 Series Telescope

SI-A25-2003-23

Connects Starlight Instruments 2.5" focusers to select Explore Scientific telescopes Designed specifically for the 80mm TED 0806-01 Series with an...

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Starlight Instruments 2.5" Adapter for Explore Scientific Essential Series 80mm Telescope

SI-A25-2003-24

Enables Installation of 2.5" Feather Touch Focusers Custom-Fit for Explore Scientific 80mm Essential Series Telescopes Designed for Aluminum OTA M...

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Starlight Instruments 2.5" Adapter for Meade 10, 12, 14" SCT Telescopes

SI-A25-2003-13

Connects 2.5" Feather Touch focusers to large Meade SCTs Compatible with Meade 10", 12", and 14" SCT optical tubes Designed to thread onto the FTF...

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CA$266.00 - CA$266.00
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Starlight Instruments 2.5" Adapter for Meade 127mm Telescopes

SI-A25-2003-22

Connects a 2.5" Focuser to a Meade 127mm Telescope Engineered for Optical Tubes with a 4.525" Diameter Enables Upgrade to a Starlight Instruments ...

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CA$266.00 - CA$266.00
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Starlight Instruments 2.5" Adapter for Stellarvue 80-115mm Refractors

SI-A25-2003-4

Connects 2.5" Starlight Instruments Feather Touch focusers Designed for Stellarvue 80mm, 90mm, 102mm, 105mm, and 115mm refractors Attaches to the ...

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Starlight Instruments 2.5" Adapter for Stellarvue SVR90 Telescopes

SI-A25-2003-12

Precision-machined for the Stellarvue SVR90 telescope Enables mounting a 2.5" Starlight Instruments Feather Touch Focuser Designed for use with fo...

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Starlight Instruments 2.5" Adapter for The TMB92SS-Lightweight Telescopes

SI-A25-2003-11

Connects a 2.5" Feather Touch focuser to a TMB92SS-Lightweight telescope Precision-machined for a secure, no-flexure fit Ensures perfect optical a...

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Starlight Instruments 2.5" Adapter for TMB80/Sky-Watcher Equinox 80/100/120mm Telescopes

SI-A25-2003-20

Adapts 2.5" Starlight Instruments Feather Touch focusers Precision-machined for a secure, no-flex connection Compatible with TMB80 and Pentax 125 ...

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Starlight Instruments 2.5" Adapter for United Optics 102mm Telescope

SI-A25-2003-6

Enables mounting of a 2.5" Starlight Instruments Feather Touch focuser Custom-designed for the United Optics 102mm refractor Precision-machined fr...

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Starlight Instruments 2.5" Adapter for United Optics Manufactured 80mm Telescope

SI-A25-2003-5

Adapts 2.5" Feather Touch focusers to select 80mm telescopes Specifically designed for refractors manufactured by United Optics Provides a secure,...

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CA$350.00 - CA$350.00
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CA$378.00 - CA$378.00
CA$378.00
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CA$378.00

Starlight Instruments 2.5" Adapter for Vixen VC200L/VMC200L Telescopes

SI-A25-2003-10

Connects 2.5" Feather Touch Focusers to Vixen VC200L & VMC200L Telescopes Precision-Machined for a Secure, No-Flexure Fit Enables a Critical F...

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CA$378.00 - CA$378.00
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Starlight Instruments 2.5" Adapter for William Optics Megrez 80/90mm Telescopes & 6/8" RC Scopes

SI-A25-2003-14

Connects 2.5" Starlight Instruments Feather Touch Focusers Designed for William Optics Megrez 80mm & 90mm Telescopes Designed for Astro-Tech &...

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