Skip to content
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.

Parts and Accessories

Filters

$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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 ...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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,...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00

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...

View full details
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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 &...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00

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

SI-A25-2003-1

Connects 2.5" Feather Touch Focusers to Telescopes Precision 95x1mm Male Thread Low Profile 0.9" Length PTFE-Coupled Collar for 360° Rotation Desi...

View full details
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$190.00 - $190.00
$190.00
$190.00 - $190.00
$190.00

Starlight Instruments 2.5" Base Curved w/ Leveling Screws

SI-BA25CL

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

View full details
$190.00 - $190.00
$190.00
$190.00 - $190.00
$190.00
$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00

Starlight Instruments 2.5" Base Flat w/ Leveling Screws

SI-BA25FL

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

View full details
$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00

Starlight Instruments 2.5" Diameter Riser

Options available

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...

View full details
$160.00 - $160.00
$160.00
$160.00 - $160.00
$160.00
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

Starlight Instruments 2.5" End Cap - M68X1(F)

SI-EC25-2005-3

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

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

Starlight Instruments 2.5" End Cap -Standard

SI-EC25-2005-1

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

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

Starlight Instruments 2.5" End Cap for Vixen VC200L Telescope

SI-EC25-2005-2

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

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
$200.00 - $200.00
$200.00
$200.00 - $200.00
$200.00

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

SI-EC25-2005-5

Adapts 2.5" Feather Touch focusers for visual and imaging use Features a standard 2.0" opening with a non-marring brass compression ring Inc...

View full details
$200.00 - $200.00
$200.00
$200.00 - $200.00
$200.00
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

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

SI-EC25-2005-4

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

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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

SI-A30-1903-12

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

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00

Starlight Instruments 3.0" Adapter and 3.5" to Convert 'AP Threaded End Cap' to 'SBIG STL 11000' Threads

SI-A35-505AP-1

Connects Starlight focusers with Astro-Physics threaded end caps to SBIG STL-11000 series cameras Creates a rigid, secure, all-threaded imaging tr...

View full details
$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

Starlight Instruments 3.0" Adapter for 6" Celestron Refractor Telescopes

SI-A30-1903-14

Enables mounting a 3.0" Feather Touch focuser Designed specifically for Celestron C150RGT 6" refractors Unthreaded design uses existing set screws...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

Starlight Instruments 3.0" Adapter for Astro-Physics 4" Telescopes

SI-A30-1903-21

Connects 3.0" Feather Touch Focusers to Astro-Physics 4" Telescopes Ensures a Rigid, Flex-Free Imaging Train Precision-Machined from High-Grade Al...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

Starlight Instruments 3.0" Adapter for Astro-Physics 6" F/8 Telescopes

SI-A30-1903-15

Connects Starlight Instruments 3.0" Feather Touch Focusers Custom-Fit for Astro-Physics 6" f/8 Triplet Telescopes Precision-Machined for a Solid, ...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

Starlight Instruments 3.0" Adapter for Astro-Tech 130mm F6 Telescopes

SI-A30-1903-13

Connects 3.0" Feather Touch Focusers Designed for Astro-Tech 130mm F6 Telescopes Mates with M140x1 Rear Cell Threads Provides a Rigid, Threaded Mo...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

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

SI-A30-1903-40
1 in stock

Adapts 10", 12", and 16" RC Scopes For Starlight Instruments 3.0" Focusers Compatible with Astro-Tech, GSO, and TPO Models Precision-Machined for ...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

Starlight Instruments 3.0" Adapter for AT106 Telescope

SI-A30-1903-AT106

Connects 3.0" Feather Touch Focusers to Astro-Tech AT106 Telescopes Ensures a rigid, flex-free connection for astrophotography Features M113x1 thr...

View full details
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00