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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.

End Caps and Flanges

Filters

$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00

Starlight Instruments 3.5" End Cap for Takahashi Large Field Flattener

SI-EC35-505-1

This 3.5"" End Cap fits the 3.5"" Feather Touch focusers for Takahashi TOA645/TOA67 large flatteners.It is machined of the highest quality aluminum...

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$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00

Starlight Instruments 3.5" End Cap for William Optics Male Threaded Accessories

SI-EC35-505-11

This 3.5"" End Cap fits the 3.5"" Feather Touch focusers for William Optics Male Threaded Accessories.It is machined of the highest quality aluminu...

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$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00

Starlight Instruments 3.5" End Cap w/ 2.0" Compression Ring Opening

SI-EC35-505CR

This end cap fits our Feather Touch 3.5"" focusers and has a 2.0"" compression ring opening which 3 machined thumb screws.It is machined of the hig...

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$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$200.00 - $200.00
$200.00
$200.00 - $200.00
$200.00

Starlight Instruments 3.5" End Cap w/ 3.0" Compression Ring Opening

SI-EC35-505-3CR

This 3.5"" End Cap fits the 3.5"" Feather Touch focusers and has a 3.0"" opening for 3.0"" accessories Specifications Use with FTF3500 Series ...

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$200.00 - $200.00
$200.00
$200.00 - $200.00
$200.00
$210.00 - $210.00
$210.00
$210.00 - $210.00
$210.00

Starlight Instruments 3.5" End Cap w/ 3.5" Compression Ring Opening

SI-EC35-505-3.5CR

This 3.5"" End Cap fits the 3.5"" Feather Touch focusers and has a 3.5"" opening for 3.5"" accessories Specifications

$210.00 - $210.00
$210.00
$210.00 - $210.00
$210.00
$190.00 - $190.00
$190.00
$190.00 - $190.00
$190.00

Starlight Instruments 3.5" End Cap w/ M48X.75 Threads

SI-EC35-505-14

This End Cap fits the 3.5"" Feather Touch focusers and has a Male thread dimension of M48X.75. This end cap is used for a direct thread connection...

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$190.00 - $190.00
$190.00
$190.00 - $190.00
$190.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

Starlight Instruments Adapter for Sky-Watcher Esprit 100mm Telescopes

SI-A30-1903-102

Scope specific tube adapter for SkyWatcher Esprit 100mm Telescopes. Do to the placement of the optics, any longer draw tube travel will cause th...

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$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$110.00 - $110.00
$110.00
$110.00 - $110.00
$110.00

Starlight Instruments Eyepiece Adapter for Celestron/Meade 6.3 Focal Reducer

SI-EA20-2.24
1 in stock

Eyepiece Adapter for Celestron/Meade 6.3 Focal Reducer. This eyepiece adapter is used to attach the Celestron/Meade F6.3 focal reducer to any 2.0"...

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$110.00 - $110.00
$110.00
$110.00 - $110.00
$110.00
$340.00 - $340.00
$340.00
$340.00 - $340.00
$340.00

Starlight Instruments Machined Base to Fit Telescopes Existing Mounting Holes

SI-BA20CL-CUSTOM

Custom machined base for 2.0"" Feather Touch Crayford focuser to fit ES Comet Hunter Specifications

$340.00 - $340.00
$340.00
$340.00 - $340.00
$340.00
$130.00 - $130.00
$130.00
$130.00 - $130.00
$130.00

Starlight Instruments Orion 0.85 Focal Reducer Adapter w/ M42 Standard T-Thread

SI-A20-287B

This adapter allows you to attach any standard T-thread adapter to the Orion 0.85 Focal Reducer Specifications Use with Orion 0.85 Focal Reducer ...

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$130.00 - $130.00
$130.00
$130.00 - $130.00
$130.00
$90.00 - $90.00
$90.00
$90.00 - $90.00
$90.00

Starlight Instruments Reducer Adapter for 3.0" Compression Ring Opening to Accept 2.0" Accessories

SI-A35-505-3-2

This Adapter converts a 3"" focuser opening to accept 2"" eyepiece and accessories.It is machined of the highest quality aluminum, and finished in ...

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$90.00 - $90.00
$90.00
$90.00 - $90.00
$90.00
$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00

Starlight Instruments Stock Base Insert

SI-BA20-INSERT

This insert will allow you to attach a Feather Touch focuser to your existing base. This will eliminate the need to drill new holes or modify your...

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$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00

Starlight Instruments True 3.0" Adapter for Aluminum Explore Scientific 127mm Telescope

SI-A32-3203-ES130A

Scope specific adapter for the Explore Scientific Aluminum OTA 127mm telescopes with sliding dewshield. The OTA has a thread dimension of M126x1. ...

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$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00

Starlight Instruments True 3.0" Adapter for Astro-Tech/GSO/TPO 10/12/16" RC SCOPES

SI-A32-3203-40

Scope specific adapter for the for ASTRO TECH/GSO/TPO 10/12/16"" RC SCOPESIt is machined of the highest quality aluminum, and finished in our shop,...

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$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00

Starlight Instruments True 3.0" Adapter for Carbon Fiber Explore Scientific 127/140mm Telescopes

SI-A32-3203-ES127A

Scope specific adapter for the Explore Scientific Carbon Fiber 127/140mm telescopes with sliding dewshield. The OTA has an inside diameter of 142m...

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$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00

Starlight Instruments True 3.0" Adapter for Carbon Fiber Explore Scientific 152 and 165mm Telescopes

SI-A32-3203-ES152

True 3.0"" adapter for carbon fiber Explore Scientific 152 and 165mm Telescopes.Use with focuser FTF3235B-A Specifications Use with FTF3235B-A ...

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$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00

Starlight Instruments True 3.0" Adapter for Explore Scientific 102/115CF Telescopes w/ Sliding Dew Shield

SI-A32-3203-ES102CF

Scope specific adapter for the Explore Scientific Carbon Fiber EDT102/115mm telescopes with sliding dew shieldIt is machined of the highest quality...

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$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
$180.00 - $180.00
$180.00
$180.00 - $180.00
$180.00

Starlight Instruments True 3.0" Adapter TFPE Coupled Collar

SI-A32-3203-1

TFPE coupled tube adapter ring that has an M120x1mm Male thread that comes standard on the True 3.0"" Feather Touch focusers unless otherwise noted...

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$180.00 - $180.00
$180.00
$180.00 - $180.00
$180.00
$200.00 - $200.00
$200.00
$200.00 - $200.00
$200.00

Starlight Instruments True 3.0" Base Curved w/ Leveling Screws

SI-BA32CL

Curved base with leveling screws for True 3.0"" diameter Feather Touch focuserThis base threads into our tube adapter ring that comes standard on t...

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$200.00 - $200.00
$200.00
$200.00 - $200.00
$200.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00

Starlight Instruments True 3.0" Base Flat w/ Leveling Screws

SI-BA32FL

Flat base with leveling screws for True 3.0"" diameter Feather Touch focuserThis base threads into our tube adapter ring that comes standard on the...

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$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00

Starlight Instruments True 3.0" End Cap w/ 2.0" Compression Ring Opening

SI-EC32-3205-1

This is our standard End Cap for all 3"" Feather Touch Focusers unless otherwise noted. It has a 2.0"" compression ring and comes standard with 3 ...

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$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$180.00 - $180.00
$180.00
$180.00 - $180.00
$180.00

Starlight Instruments True 3.0" End Cap w/ 3.0" Compression Ring Opening

SI-EC32-3205-3CR

This end cap has a 3.0"" opening for 3"" accessories and can has 3 machined thumb screwsIt is machined of the highest quality aluminum, and finishe...

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$180.00 - $180.00
$180.00
$180.00 - $180.00
$180.00