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Starlight Instruments Feather Touch® GEN II 3"/DTT 1.5"

Starlight Instruments Feather Touch® GEN II 3"/DTT 1.5"

Starting Price: $1,245.00
Price as Configured: $1,245.00
Brand: Starlight Instruments / SKU: SI-FTF3015B-A-GENII
Feather Touch® 3.0″ Diameter – Dual Speed Telescope Focuser, 1.5″ Draw tube travel and Brake. Focuser comes complete with the Starlight Instruments Electronic Focusing Kit, Posi Drive motor system (PDMS), and with high resolution step size.

This product comes with the SI-EFS—Electronic Focusing System, the FB-II-KIT 1—Focuser Boss II Electronic Focusing Control is also available. FB-II-KIT 1—Focuser Boss II Electronic Focusing Control

What makes this focuser unique?
· A focuser specifically designed for the imager
· Unique 3-point draw tube support system design that prevents image shift
· Extremely low backlash for automated focusing
· Ultra-smooth
· Threaded draw tube for camera, spacers, and corrective optics
· Designed for the heaviest cameras and accessories--can lift in excess of 20 pounds
· High resolution 0.23 micron per step movement
· Fully ASCOM compatible motor drive system
· Direct support in The Sky X

Choose an adapter, end cap, and 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.
Power Supply (Required)
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Recommended Add-ons and Accessories

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SI-A30-1903-1 - Starlight Instruments Adapter 3" for FTF30 Series PTFE-Coupled Collar
SI-A30-1903-1 - Starlight Instruments Adapter 3" for FTF30 Series PTFE-Coupled Collar
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SI-A30-1903-1 - Starlight Instruments Adapter 3" for FTF30 Series PTFE-Coupled Collar
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TFPE coupled tube adapter ring that has an M109x1mm Male thread.

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-A30-1903-10 - Starlight Instruments Adapter 3" for Meade 16" Telescopes
SI-A30-1903-10 - Starlight Instruments Adapter 3" for Meade 16" Telescopes
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SI-A30-1903-10 - Starlight Instruments Adapter 3" for Meade 16" Telescopes
About This Product
Scope specific tube adapter to attach 3.0" Feather Touch focuser to a Meade 16" SCT 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-A30-1903-102 - Starlight Instruments Adapter 3" for SkyWatcher Esprit 100mm
SI-A30-1903-102 - Starlight Instruments Adapter 3" for SkyWatcher Esprit 100mm
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SI-A30-1903-102 - Starlight Instruments Adapter 3" for SkyWatcher Esprit 100mm
About This Product
Scope specific tube adapter for SkyWatcher Esprit 100mm Telescopes.

Do to the placement of the optics, any longer draw tube travel will cause the draw tube to come into contact with the optics. Use with focuser FTF3015B-A

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-A30-1903-18 - Starlight Instruments Adapter 3" for RCOS Telescopes
SI-A30-1903-18 - Starlight Instruments Adapter 3" for RCOS Telescopes
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SI-A30-1903-18 - Starlight Instruments Adapter 3" for RCOS Telescopes
About This Product
Scope specific tube adapter to attach 3.0" Feather Touch focuser to RC Optical Systems telescopes. The adapter has a male thread of 4.0625X24TPI.

Use with focuser FTF3015B-A

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-A30-1903-28 - Starlight Instruments Adapter 3" for SkyWatcher Esprit 80
SI-A30-1903-28 - Starlight Instruments Adapter 3" for SkyWatcher Esprit 80
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SI-A30-1903-28 - Starlight Instruments Adapter 3" for SkyWatcher Esprit 80
About This Product
Scope specific coupled adapter ring that fits SkyWatcher Esprit 80

Use with Focuser FTF3015B-A
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-A30-1903-40 - Starlight Instruments Adapter 3" for Astro Tech/GSO/TPO 10/12/16" RC
SI-A30-1903-40 - Starlight Instruments Adapter 3" for Astro Tech/GSO/TPO 10/12/16" RC
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SI-A30-1903-40 - Starlight Instruments Adapter 3" for Astro Tech/GSO/TPO 10/12/16" RC
About This Product
Scope specific coupled adapter that fits Astro Tech/GSO/TPO 10/12/16″ RC Telescopes

Use with focuser FTF3015B-A
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-A30-1903-7 - Starlight Instruments Adapter 3" for Celestron C11/C14 SCT
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SI-A30-1903-7 - Starlight Instruments Adapter 3" for Celestron C11/C14 SCT
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Scope specific adatper 3.0″ CELESTRON C11/C14″ SCT telescopes.

Use with focuser FTF3015B-A
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-A30-1903-85 - Starlight Instruments Adapter 3" for Takahashi FSQ85/FC100
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SI-A30-1903-85 - Starlight Instruments Adapter 3" for Takahashi FSQ85/FC100
About This Product
Scope specific coupled adapter ring that fits Takahashi FSQ85 and FC100 Telescopes.

Use with Focuser FTF3015B-A for Takahashi FSQ85 and FTF3035B-A for FC100 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-A30-1903-9 - Starlight Instruments Adapter 3" for Meade 10/12/14 SCT
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SI-A30-1903-9 - Starlight Instruments Adapter 3" for Meade 10/12/14 SCT
About This Product
Scope specific adapter for Meade 10, 12, 14″ SCT telescopes

Use with focuser FTF3015B-A
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-4553 - Starlight Instruments Finder Scope Bracket 45-53mm Sleeve
SI-FSB-4553 - Starlight Instruments Finder Scope Bracket 45-53mm Sleeve
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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
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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
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SI-FSB-CH4055 - Starlight Instruments Finder Scope Bracket for 40-55mm Finder Scope
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Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.
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SI-FSB-CHRDF - Starlight Instruments Finder Scope Bracket with Red Dot Finder
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Due to Starlight Instruments’ severe backlog, shipping times are unpredictable. Please contact us before ordering.
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SI-EC30-1905-1 - Starlight Instruments End Cap 3" with 2" Compression Ring Opening
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SI-EC30-1905-1 - Starlight Instruments End Cap 3" with 2" Compression Ring Opening
About This Product
This is the standard End Cap for all 3" Feather Touch Focusers unless otherwise noted. It has a 2.0" compression ring and comes standard with 3 machined thumb screws.
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-EC30-1905-12 - Starlight Instruments End Cap 3" for SBIG and FLI 5 Series/CCD Camera & Filter Wheels
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SI-EC30-1905-12 - Starlight Instruments End Cap 3" for SBIG and FLI 5 Series/CCD Camera & Filter Wheels
About This Product
This End Cap fits the 3.0″ Feather Touch focusers and has 3.0x24tpi male threads which are used to attach SBIG STXL 11000, STXL 6303, STX16803 and FLI 5 series/CFW 5-7 Filter Wheel, LRGB Filters and Apogee Filter Wheels
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-EC30-1905-3 - Starlight Instruments End Cap 3" FTF for 2.7" AP Thread
SI-EC30-1905-3 - Starlight Instruments End Cap 3" FTF for 2.7" AP Thread
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SI-EC30-1905-3 - Starlight Instruments End Cap 3" FTF for 2.7" AP Thread
About This Product
This threaded End Cap fits the Feather Touch 3″ Focusers and has a female thread dimension 2.7″x24tpi and will fit A/P 2.7″ male threaded accessories. This threaded end cap can also be used with the Baader quick lock accessory which uses the A/P thread.
SI-EC30-1905-4 - Starlight Instruments End Cap 3" for FTF
SI-EC30-1905-4 - Starlight Instruments End Cap 3" for FTF
$150.00
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SI-EC30-1905-4 - Starlight Instruments End Cap 3" for FTF
About This Product
This 3.0" threaded End Cap fits our Feather Touch 3" Focusers and has a female thread dimension of M68x1 in which allows the attachment of M68x1 male threaded accessories as well as the Teleskop Service 2.5" 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-EC30-1905-48 - Starlight Instruments End Cap 3" for FTF with M48x0.75 Thread
SI-EC30-1905-48 - Starlight Instruments End Cap 3" for FTF with M48x0.75 Thread
$150.00
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SI-EC30-1905-48 - Starlight Instruments End Cap 3" for FTF with M48x0.75 Thread
About This Product
This End Cap fits the 3.0" Feather Touch focusers and has a Male thread dimension of M48X.75. This end cap is used for a direct thread connection of Field Flatteners, Filters and the TOA 1.6X extender or any other astronomy accessories that have this thread dimension.
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-EC30-1905-65 - Starlight Instruments End Cap 3" for SkyWatcher Corrector
SI-EC30-1905-65 - Starlight Instruments End Cap 3" for SkyWatcher Corrector
$150.00
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SI-EC30-1905-65 - Starlight Instruments End Cap 3" for SkyWatcher Corrector
About This Product
3.0" end cap with male M65X1 threads for SkyWatcher corrector

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-EC30-1905-72 - Starlight Instruments End Cap 3" for Takahashi M72x1 Male Threaded Accessories
SI-EC30-1905-72 - Starlight Instruments End Cap 3" for Takahashi M72x1 Male Threaded Accessories
$150.00
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SI-EC30-1905-72 - Starlight Instruments End Cap 3" for Takahashi M72x1 Male Threaded Accessories
About This Product
This threaded End Cap fits Starlight's Feather Touch 3" Focusers and has a female thread dimension of M72x1 and will fit M72x1 Takahashi 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-EC30-1905-82 - Starlight Instruments End Cap 3" for Ricarrdi Reducer
SI-EC30-1905-82 - Starlight Instruments End Cap 3" for Ricarrdi Reducer
$150.00
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SI-EC30-1905-82 - Starlight Instruments End Cap 3" for Ricarrdi Reducer
About This Product
3.0" end cap with female M82X1 threads for Riccardi 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-EC30-1905-92 - Starlight Instruments End Cap 3" for William Optics Male Threaded Accessories
SI-EC30-1905-92 - Starlight Instruments End Cap 3" for William Optics Male Threaded Accessories
$150.00
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SI-EC30-1905-92 - Starlight Instruments End Cap 3" for William Optics Male Threaded Accessories
About This Product
This threaded End Cap fits Starlight's Feather Touch 3″ Focusers and has a female thread dimension of M92x1 and will fit M92x1 William Optics/TMB 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.
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Price as Configured: $1,245.00
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Feather Touch® 3.0" Diameter - Dual Speed Telescope Focuser, 1.5" Draw tube travel Brake, Integral PTFE Coupled 109mm Threaded Collar, and 2.0" Diameter Compression Ring with End Cap Upgrade.

Draw Tube Thread M75X1 Female Thread
Draw Tube Travel 1.5"/38.10MM
Lifting Capacity 13-15 pounds
Thread on Entry (OTA | FRONT) Side of Draw Tube M109X1 Male Thread
Reduction Ratio 10:1
Finderscope hole thread dimension 8-32
Draw Tube Drive Mechanism Rack/Pinion
Racked In from Mounting Face 3.672"/93.27MM
Racked Out from Mounting Face 5.368"/136.35MM