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Starlight Instruments

Ask an experienced imager which single upgrade changed their results most and a surprising number will name a Feather Touch focuser. Starlight Instruments builds precision focusers and adapters in the United States, and their reputation rests on the same thing every time: a drawtube that holds several kilograms perfectly square and moves in repeatable microns. David Astro carries Starlight Instruments products in Canada, shipping from Canadian stock.

Most of that catalogue is adapters and telescope-specific mounting flanges, because Starlight designs retrofits for a very wide range of tubes. Tell us your telescope and we will identify the correct focuser and adapter combination rather than leaving you to decode a part number.

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Starlight Instruments 2.5" Adapter for Celestron C11/C14 SCT Telescopes

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

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

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

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

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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Starlight Instruments 2.5" Adapter for Meade 127mm Telescopes

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

Connects the 2.5" Feather Touch FTF2535HD focuser Designed for Stellarvue 80mm, 90mm, 102mm, 105mm, and 115mm refractors Attaches to the optical t...

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Starlight Instruments 2.5" Adapter for Stellarvue SVR90 Telescopes

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

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Starlight Instruments 2.5" Adapter for The TMB92SS-Lightweight Telescopes

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

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

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

Adapts the 2.5" Feather Touch FTF2535HD focuser to United Optics 80mm telescopes Specifically designed for refractors manufactured by United Optic...

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Starlight Instruments 2.5" Adapter for Vixen VC200L/VMC200L Telescopes

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

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

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Starlight Instruments 2.5" Adapter PTFE Coupled Collar for 2.5" Feather Touch Focusers

Connects 2.5" Feather Touch Focusers to Telescopes Precision 95x1mm Male Thread PTFE-Coupled Collar for 360° Rotation Designed for the FTF25 Focus...

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Starlight Instruments 2.5" Base Curved w/ Leveling Screws

Custom-machined base for curved telescope tubes Designed for Starlight Instruments 2.5" Feather Touch focusers Features integrated leveling screws...

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Starlight Instruments 2.5" Base Flat w/ Leveling Screws

Provides a flat mounting surface for custom telescope builds Integrated leveling screws for precise focuser collimation Designed specifically for ...

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Starlight Instruments 2.5" Diameter Riser

Adds 1.25" or 2.25" of height to a focuser base Designed for 2.5" diameter Starlight Instruments bases Solves focus travel issues on Newtonian tel...

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Starlight Instruments 2.5" End Cap - M68X1(F)

Adapts 2.5" Feather Touch focusers to a threaded connection Features M68x1 female threads for secure attachment Optimized for Teleskop Service fla...

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Starlight Instruments 2.5" End Cap -Standard

Official replacement end cap for 2.5" Feather Touch focusers Adapts the drawtube to accept standard 2" eyepieces and accessories Features a 2" com...

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Starlight Instruments 2.5" End Cap for Vixen VC200L Telescope

Directly Connects Vixen Focal Reducer Designed for 2.5" Feather Touch Focusers Compatible with Vixen VC200L Telescopes Precision-Machined Aluminum...

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Starlight Instruments 2.5" End Cap w/ 2.0" Compression Ring Opening and M47X.75 Thread

Adapts 2.5" Feather Touch focusers for visual and imaging use Features a standard 2.0" compression ring opening Includes a female M47x0.75 t...

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Starlight Instruments 2.5" End Cap w/2.7" A/P Female Threads

Adapts 2.5" Feather Touch focusers Provides female Astro-Physics 2.7" threads Enables secure, threaded connection to A/P accessories Machined from...

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Starlight Instruments 3.0" Adapter 3" for Older TMB105 (NON-APM Version) Telescopes

Connects Starlight Instruments 3.0-inch focusers to older TMB105 telescopes Specifically for non-APM versions of the TMB105 refractor Precision-ma...

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The Feather Touch System and Its Adapters

Starlight's approach is modular: a focuser body, a telescope-specific adapter that mounts it, and a set of drawtube terminations and motor options that adapt it to your workflow.

  • Feather Touch focusers: Dual-speed rack-and-pinion drawtubes with 10:1 fine focus, rated to hold heavy imaging trains without slip at any tube angle.
  • Telescope-specific adapters: Machined mounting plates for a very large range of refractors, Newtonians and Schmidt-Cassegrains, holding the focuser square to the optical axis.
  • Micro Focusers: Retrofit 10:1 reduction units that add fine focus to an existing stock focuser at a fraction of the cost of full replacement.
  • Drawtube terminations: Threaded end pieces that convert the focuser output to standard imaging threads, giving a clean, rigid base for the rest of the train.
  • Motor and controller options: Stepper drives and handsets that add absolute positioning and autofocus capability to a Feather Touch body.
  • Compression rings and clamps: Even radial clamping in place of single set screws, which removes both barrel marking and induced tilt.

Why Choose David Astro for Starlight Instruments

Starlight's catalogue is precise and dense with part numbers. Selecting from it correctly is most of the work.

  • Adapter identification: We match the focuser to your specific telescope's adapter, which is the step that most often goes wrong when ordering unassisted.
  • Focus travel checked: We verify that the replacement focuser's profile height still lets your telescope reach focus with your intended camera or diagonal.
  • Authorized dealer: Genuine Starlight Instruments products with full manufacturer warranty, handled inside Canada.
  • Held in Canadian stock: A deep on-hand selection, shipped domestically with no duties or brokerage fees for Canadian customers.
  • In-house service: Fitting advice, retrofit support and diagnostics after the sale.

Starlight Instruments in Canada — Frequently Asked Questions

Do I need the focuser or just the Micro Focuser?
If your stock focuser holds your load without slipping and you only want finer control, a Micro Focuser retrofit is the economical answer. If the drawtube slips or flexes under an imaging train, replace the focuser.
Will a Feather Touch fit my telescope?
Starlight makes adapters for a very wide range of tubes, including many discontinued models. Send us the make, model and drawtube diameter and we will confirm the exact adapter part.
Can I motorize a Feather Touch later?
Yes. The system is designed for it, and motor kits attach to the fine-focus shaft without replacing the body, so buying manual first and adding drive later is a reasonable path.
Is the warranty handled in Canada?
Yes. As an authorized dealer we handle warranty claims and service domestically, so nothing has to cross a border for support.

Fitting a Feather Touch?

Send us your telescope model and we will specify the focuser and adapter. Canadian stock, full warranty.