Starlight Instruments Feather Touch® 2.5"/DTT 3.5"

Starting Price: $640.00
Price as Configured: $640.00
Brand: Starlight Instruments / SKU: SI-FTF2535HD
This rack and pinion focuser is for astronomers who need something bigger than a 2" but still compact.

Choose an adapter, end cap, and/or mounting bracket from the "Add-ons and Accessories" below.

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
View Add-ons and Accessories

Recommended Add-ons and Accessories

Enter the quantity desired for each item and click the close button to continue with your purchase.
SI-FSB-4553 - Starlight Instruments Finder Scope Bracket 45-53mm Sleeve
SI-FSB-4553 - Starlight Instruments Finder Scope Bracket 45-53mm Sleeve
$250.00
« Back to All Add-ons
SI-FSB-4553 - Starlight Instruments Finder Scope Bracket 45-53mm Sleeve
About This Product
Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-FSB-5060 - Starlight Instruments Finder Scope Bracket 50-60mm Sleeve
SI-FSB-5060 - Starlight Instruments Finder Scope Bracket 50-60mm Sleeve
$270.00
« Back to All Add-ons
SI-FSB-5060 - Starlight Instruments Finder Scope Bracket 50-60mm Sleeve
About This Product
Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-FSB-CH4055 - Starlight Instruments Finder Scope Bracket for 40-55mm Finder Scope
SI-FSB-CH4055 - Starlight Instruments Finder Scope Bracket for 40-55mm Finder Scope
$190.00
« Back to All Add-ons
SI-FSB-CH4055 - Starlight Instruments Finder Scope Bracket for 40-55mm Finder Scope
About This Product
Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-FSB-CHRDF - Starlight Instruments Finder Scope Bracket with Red Dot Finder
SI-FSB-CHRDF - Starlight Instruments Finder Scope Bracket with Red Dot Finder
$270.00
« Back to All Add-ons
SI-FSB-CHRDF - Starlight Instruments Finder Scope Bracket with Red Dot Finder
About This Product
Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-EC25-2005-1 - Starlight Instruments Standard End Cap for 2.5" Focusers
SI-EC25-2005-1 - Starlight Instruments Standard End Cap for 2.5" Focusers
$150.00
« Back to All Add-ons
SI-EC25-2005-1 - Starlight Instruments Standard End Cap for 2.5" Focusers
About This Product
This is Starlight's standard end cap for all Starlight Feather Touch 2.5" Focusers unless otherwise noted.


Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-EC25-2005-2 - Starlight Instruments Standard End Cap 2.5" for Vixen VC200L
SI-EC25-2005-2 - Starlight Instruments Standard End Cap 2.5" for Vixen VC200L
$150.00
« Back to All Add-ons
SI-EC25-2005-2 - Starlight Instruments Standard End Cap 2.5" for Vixen VC200L
About This Product
This End Cap is used to directly thread in the Vixen threaded focal reducer.
Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-EC25-2005-3 - Starlight Instruments Standard End Cap 2.5" with M68x1 Female Threads
SI-EC25-2005-3 - Starlight Instruments Standard End Cap 2.5" with M68x1 Female Threads
$150.00
« Back to All Add-ons
SI-EC25-2005-3 - Starlight Instruments Standard End Cap 2.5" with M68x1 Female Threads
About This Product
This End Cap has M68X1 female threads and is to be used with any M68X1 male threaded accessories for Teleskop Service flattener.

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-EC25-2005-4 - Starlight Instruments End Cap 2.5" with 2.7" AP Female Threads
SI-EC25-2005-4 - Starlight Instruments End Cap 2.5" with 2.7" AP Female Threads
$150.00
« Back to All Add-ons
SI-EC25-2005-4 - Starlight Instruments End Cap 2.5" with 2.7" AP Female Threads
About This Product
This End Cap has 2.7" A/P female threads and is to be used with A/P male threaded accessories.
Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-EC25-2005-5 - Starlight Instruments End Cap 2.5" with 2" Compression Ring Opening and M47x.75 Thread
SI-EC25-2005-5 - Starlight Instruments End Cap 2.5" with 2" Compression Ring Opening and M47x.75 Thread
$200.00
« Back to All Add-ons
SI-EC25-2005-5 - Starlight Instruments End Cap 2.5" with 2" Compression Ring Opening and M47x.75 Thread
About This Product
This End Cap has 2.0" compression ring opening and a M47X.75 male thread for the Pentax SMC XW-40 Eyepiece

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-1 - Starlight Instruments Adapter 2.5" for FTF25 with PTFE Coupled Collar
SI-A25-2003-1 - Starlight Instruments Adapter 2.5" for FTF25 with PTFE Coupled Collar
$160.00
« Back to All Add-ons
SI-A25-2003-1 - Starlight Instruments Adapter 2.5" for FTF25 with PTFE Coupled Collar
About This Product
Teflon coupled tube adapter ring with a M95x1mm Male thread that comes standard on the 2.5" Feather Touch focusers unless otherwise noted. This adapter will also fit the Astro Tech 115 and 130mm f/7 telescopes

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-4 - Starlight Instruments Adapter 2.5" for Stellarvue 80-115MM refractors
SI-A25-2003-4 - Starlight Instruments Adapter 2.5" for Stellarvue 80-115MM refractors
$250.00
« Back to All Add-ons
SI-A25-2003-4 - Starlight Instruments Adapter 2.5" for Stellarvue 80-115MM refractors
About This Product
This scope specific coupled adapter fits the Stellarvue 80, 90, 102, 105, and 115MM refractors with an OTA thread dimension of M88.5X1.

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-5 - Starlight Instruments Adapter 2.5" for United Optics 80mm Telescope
SI-A25-2003-5 - Starlight Instruments Adapter 2.5" for United Optics 80mm Telescope
$250.00
« Back to All Add-ons
SI-A25-2003-5 - Starlight Instruments Adapter 2.5" for United Optics 80mm Telescope
About This Product
This scope specific PTFE coupled adapter fits the United Optics Manufactured 80MM Telescope.

Use with focuser FTF2535HD

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-6 - Starlight Instruments Adapter 2.5" for United Optics 102mm Telescope
SI-A25-2003-6 - Starlight Instruments Adapter 2.5" for United Optics 102mm Telescope
$250.00
« Back to All Add-ons
SI-A25-2003-6 - Starlight Instruments Adapter 2.5" for United Optics 102mm Telescope
About This Product
This scope specific coupled adapter fits the United Optics Manufactured 102MM Telescope.

Use with focuser FTF2535HD

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-11 - Starlight Instruments Adapter 2.5" for TMB92SS-Lightweight
SI-A25-2003-11 - Starlight Instruments Adapter 2.5" for TMB92SS-Lightweight
$250.00
« Back to All Add-ons
SI-A25-2003-11 - Starlight Instruments Adapter 2.5" for TMB92SS-Lightweight
About This Product
Scope specific adapter fits the TMB92SS-Lightweight telescopes

Riser part number R25-2.25 is needed to prevent the draw tube from hitting the inside baffle. Use with focuser FTF2535HD

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-12 - Starlight Instruments Adapter 2.5" for Stellarvue SVR90
SI-A25-2003-12 - Starlight Instruments Adapter 2.5" for Stellarvue SVR90
$250.00
« Back to All Add-ons
SI-A25-2003-12 - Starlight Instruments Adapter 2.5" for Stellarvue SVR90
About This Product
Scope specific adapter fits the Stellarvue SVR90 telescopes

Use with focuser FTF2535HD

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-13 - Starlight Instruments Adapter 2.5" for Meade 10, 12, 14
SI-A25-2003-13 - Starlight Instruments Adapter 2.5" for Meade 10, 12, 14
$250.00
« Back to All Add-ons
SI-A25-2003-13 - Starlight Instruments Adapter 2.5" for Meade 10, 12, 14
About This Product
This scope specific adapter fits the Meade 10, 12, 14" SCT telescopes.

This adapter threads directly onto Starlight's tube adapter ring that comes standard on the FTF2515HD Feather Touch focuser. Use with focuser FTF2515HD.

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-14 - Starlight Instruments Adapter 2.5" for William Optics Megrez 80/90mm and 6/8" RC
SI-A25-2003-14 - Starlight Instruments Adapter 2.5" for William Optics Megrez 80/90mm and 6/8" RC
$250.00
« Back to All Add-ons
SI-A25-2003-14 - Starlight Instruments Adapter 2.5" for William Optics Megrez 80/90mm and 6/8" RC
About This Product
This scope specific coupled adapter fits the William Optics Megrez 80 and 90MM telescopes and the Astro Tech and GSO 6/8″ RC scopes.

The William optics scopes with use focuser FTF2535HD and the RC scopes use with focuser FTF2515HD

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-20 - Starlight Instruments Adapter 2.5" for TMB80/Equinox 80/100/120mm
SI-A25-2003-20 - Starlight Instruments Adapter 2.5" for TMB80/Equinox 80/100/120mm
$250.00
« Back to All Add-ons
SI-A25-2003-20 - Starlight Instruments Adapter 2.5" for TMB80/Equinox 80/100/120mm
About This Product
Scope specific coupled adapter fits the TMB80 and SKYWATCHER Equinox 80/100 and 120MM telescopes and the Pentax 125.

Use with focuser FTF2535HD

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
SI-A25-2003-21 - Starlight Instruments Adapter 2.5" for Coronado Solar Max 90/Solar Max II
SI-A25-2003-21 - Starlight Instruments Adapter 2.5" for Coronado Solar Max 90/Solar Max II
$250.00
« Back to All Add-ons
SI-A25-2003-21 - Starlight Instruments Adapter 2.5" for Coronado Solar Max 90/Solar Max II
About This Product
Scope specific adapter fits the Coronado Solar Max 90/Solar Max II Telescope

Use with focuser FTF2535HD

Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.

You may also find what you need in the Optec product line. Contact us if you need assistance.
QTY:  
Price as Configured: $640.00
Product Help
Need help deciding?
Tell us what you're looking for, and we’ll point you in the right direction. .
Draw Tube Thread: M63X1 Female Thread
Draw Tube Travel: 3.5-inch (88.9 mm)
Lifting Capacity: 13 to 15-pounds
Thread on Entry (OTA/ Front) Side of Draw Tube: M95x1 Male Thread
Reduction Ratio: 10:1
Finderscope Hole Thread Dimension: 8x32
Draw Tube Drive Mechanism: Rack and Pinion
Racked In from Mounting Face: 3.672-inch (93.27 mm)
Racked Out from Mounting Face: 7.368-inch (187.15 mm)