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Focusers and Accessories

  • Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD

    Starlight Instruments 3.5" Adapter for Takahashi FS128 Telescopes

    SI-A35-503-145

    Scope specific tube adapter to attach 3.5"" Feather Touch focuser to your Takahashi FS128 telescopesIt is machined of the highest quality aluminum,...

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    Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD
  • Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD

    Starlight Instruments 3.5" Adapter for Takahashi FSQ106ED Telescopes

    SI-A35-503-FSQ106ED

    Replace your stock focuser with a Feather Touch....Scope specific tube adapter to attach 3.5"" Feather Touch focuser onto Takahashi FSQ106ED telesc...

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    Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD
  • Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD

    Starlight Instruments 3.5" Adapter for Takahashi FSQ106N Telescopes

    SI-A35-503-FSQ106

    Scope specific adapter fits our 3.5"" focusers directly for PRE 2009 Takahashi FSQ106N telescopesUse with focuser FTF3545B-AThe photo of the 2 tele...

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    Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD
  • Original price $270.00 USD - Original price $270.00 USD
    Original price
    $270.00 USD
    $270.00 USD - $270.00 USD
    Current price $270.00 USD

    Starlight Instruments 3.5" Adapter for Takahashi TOA 150 Telescopes

    SI-A35-503-TOA150

    Scope specific tube adapter to attach 3.5"" Feather Touch focuser onto Takahashi TOA150 telescopesThe 3.5"" Feather Touch is actually bigger than t...

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    Original price $270.00 USD - Original price $270.00 USD
    Original price
    $270.00 USD
    $270.00 USD - $270.00 USD
    Current price $270.00 USD
  • Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD

    Starlight Instruments 3.5" Adapter for TEC Large Refractors

    SI-A35-503TEC

    Scope specific tube adapter to attach 3.5"" Feather Touch focusers onto TEC large telescopesIt is machined of the highest quality aluminum, and fin...

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    Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD
  • Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD

    Starlight Instruments 3.5" Adapter for Teleskop Service TS130/TS150 Photoline

    SI-A35-503-136

    Scope specific tube adapter to attach 3.5"" Feather Touch focuser onto the Teleskop Service TS 130/150/1000 PhotolineIt is machined of the highest ...

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    Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD
  • Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD

    Starlight Instruments 3.5" Adapter for TMB130 Telescopes

    SI-A35-503TMB

    Scope specific tube adapter to attach 3.5"" Feather Touch focuser onto TMB130 telescopesIt is machined of the highest quality aluminum, and finishe...

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    Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD
  • Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD

    Starlight Instruments 3.5" Adapter for William Optics FLT132, APM 130, and TS Photoline F7 Telescopes

    SI-A35-503-WOFLT132

    Scope specific tube adapter to attach 3.5"" Feather Touch focuser onto William Optics FLT132/Teleskop Service Photoline F7 telescopesIt is machined...

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    Original price $250.00 USD - Original price $250.00 USD
    Original price
    $250.00 USD
    $250.00 USD - $250.00 USD
    Current price $250.00 USD
  • Original price $270.00 USD - Original price $270.00 USD
    Original price
    $270.00 USD
    $270.00 USD - $270.00 USD
    Current price $270.00 USD

    Starlight Instruments 3.5" Adapter for William Optics FLT178

    SI-A35-503-WOFLT178

    Scope specific tube adapter to attach 3.5"" Feather Touch focuser to the William Optics FLT178 telescopeIt is machined of the highest quality alumi...

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    Original price $270.00 USD - Original price $270.00 USD
    Original price
    $270.00 USD
    $270.00 USD - $270.00 USD
    Current price $270.00 USD
  • Original price $220.00 USD - Original price $220.00 USD
    Original price
    $220.00 USD
    $220.00 USD - $220.00 USD
    Current price $220.00 USD

    Starlight Instruments 3.5" Base Curved w/ Leveling Screws

    SI-BA35CL

    Curved base with leveling screws for 3.5"" diameter Feather Touch focuserOutside dimension is 6.0"" squareBase comes complete with all mounting har...

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    Original price $220.00 USD - Original price $220.00 USD
    Original price
    $220.00 USD
    $220.00 USD - $220.00 USD
    Current price $220.00 USD
  • Original price $180.00 USD - Original price $180.00 USD
    Original price
    $180.00 USD
    $180.00 USD - $180.00 USD
    Current price $180.00 USD

    Starlight Instruments 3.5" Base Flat w/ Leveling Screws

    SI-BA35FL

    Flat base with leveling screws for 3.5"" diameter Feather Touch focuserOutside dimension is 6"" squareBase comes complete with all mounting hardwar...

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    Original price $180.00 USD - Original price $180.00 USD
    Original price
    $180.00 USD
    $180.00 USD - $180.00 USD
    Current price $180.00 USD
  • Original price $180.00 USD - Original price $180.00 USD
    Original price
    $180.00 USD
    $180.00 USD - $180.00 USD
    Current price $180.00 USD

    Starlight Instruments 3.5" Diameter Riser

    SI-R35-4.0

    Riser, 3.5"" Diameter which adds 4.0"" to Length of back focusThe riser is attached to the viewing side of the focuser. It threads directly onto t...

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    Original price $180.00 USD - Original price $180.00 USD
    Original price
    $180.00 USD
    $180.00 USD - $180.00 USD
    Current price $180.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    Starlight Instruments 3.5" End Cap - for Astro-Physics Telescope Accessories

    SI-EC35-505AP

    This 3.5"" End Cap fits the 3.5"" Feather Touch focusers and is used with Astro Physics 2.7"" male threaded accessories.This threaded end cap can a...

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    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    Starlight Instruments 3.5" End Cap for APM/TMB Reducer

    SI-EC35-505-82

    This 3.5"" End Cap fits the 3.5"" Feather Touch focusers for the APM/TMB Reducer which have M82X1 male threads.It is machined of the highest qualit...

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    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $190.00 USD - Original price $190.00 USD
    Original price
    $190.00 USD
    $190.00 USD - $190.00 USD
    Current price $190.00 USD

    Starlight Instruments 3.5" End Cap for CFW2-7 Series/CCD Camera & Filter Wheels

    SI-EC35-505-13

    This End Cap fits the 3.5"" Feather Touch focusers and has 2.0x24tpi male threads which are used to attach FLI CFW 2-7 Filter Wheel. It is machined...

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    Original price $190.00 USD - Original price $190.00 USD
    Original price
    $190.00 USD
    $190.00 USD - $190.00 USD
    Current price $190.00 USD
  • Original price $190.00 USD - Original price $190.00 USD
    Original price
    $190.00 USD
    $190.00 USD - $190.00 USD
    Current price $190.00 USD

    Starlight Instruments 3.5" End Cap for SBIG and FLI 5 Series/CCD Camera & Filter Wheels

    SI-EC35-505-12

    This End Cap fits the 3.5"" Feather Touch focusers and has 3.0x24tpi male threads which are used to attach SBIG STXL 11000, STXL 6303, STX16803 and...

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    Original price $190.00 USD - Original price $190.00 USD
    Original price
    $190.00 USD
    $190.00 USD - $190.00 USD
    Current price $190.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    Starlight Instruments 3.5" End Cap for Sky-Watcher M65 Male Threaded Accessories

    SI-EC35-505-65

    This 3.5"" End Cap fits the 3.5"" Feather Touch focusers for M65x1 SkyWatcher male threaded accessories Specifications

    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    Starlight Instruments 3.5" End Cap for Stellarvue Field Flattener

    SI-EC35-505-85

    This 3.5"" End Cap fits the 3.5"" Feather Touch focusers for Stellarvue 85mm Field Flattener.It is machined of the highest quality aluminum and fin...

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    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    Starlight Instruments 3.5" End Cap for Takahashi 72mm Male Threaded Accessories

    SI-EC35-505-72

    This 3.5"" End Cap fits the 3.5"" Feather Touch focusers for M72x1 Takahashi male threaded accessories Specifications Known To Fit M72X1 Male thr...

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    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    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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    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    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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    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD

    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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    Original price $160.00 USD - Original price $160.00 USD
    Original price
    $160.00 USD
    $160.00 USD - $160.00 USD
    Current price $160.00 USD
  • Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD

    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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    Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD
  • Original price $210.00 USD - Original price $210.00 USD
    Original price
    $210.00 USD
    $210.00 USD - $210.00 USD
    Current price $210.00 USD

    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

    Original price $210.00 USD - Original price $210.00 USD
    Original price
    $210.00 USD
    $210.00 USD - $210.00 USD
    Current price $210.00 USD