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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.
Starlight Instruments 2.0" Adapter for MK190 Maksutov-Newtonian, Intes Alter MN84 Mak Newton, & ES8" Astrograph w/CF OTA

Starlight Instruments 2.0" Adapter for MK190 Maksutov-Newtonian, Intes Alter MN84 Mak Newton, & ES8" Astrograph w/CF OTA

by Starlight Instruments
SKU SI-A20-MN190
$130.00 - $130.00
$130.00
$130.00 - $130.00
$130.00
Price Match Policy!
  • Enables mounting a 2" Feather Touch focuser
  • Compatible with Sky-Watcher MN190 Maksutov-Newtonian
  • Compatible with Intes Alter MN84 Maksutov-Newtonian
  • Compatible with Explore Scientific 8" Astrograph with Carbon Fiber OTA
  • Attaches directly to the telescope's stock focuser base
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Starlight Instruments 2.0" Adapter for MN190, MN84, & ES8" Astrographs

    This Starlight Instruments 2.0" Adapter is the essential component for upgrading the stock focuser on your Sky-Watcher MN190, Intes Alter MN84, or Explore Scientific 8" Astrograph. It creates a secure, precisely machined interface, allowing you to install a 2" Feather Touch focuser and eliminate the image shift and imprecision of the original factory unit.

    A Precision Fit for Your Sky-Watcher MN190 and Intes Alter MN84

    Owners of the Sky-Watcher MN190 and Intes Alter MN84 Maksutov-Newtonians can now achieve the focusing accuracy these premium optical designs deserve. This adapter is engineered to mount directly onto the telescope's existing stock base, providing a rigid, non-flexing platform for a 2" Feather Touch focuser. This upgrade is critical for high-magnification planetary viewing and demanding astrophotography where focus must be exact.

    Upgrade Your Explore Scientific 8" Astrograph for Feather Touch Focusing

    For imagers using the Explore Scientific 8" Astrograph with the carbon fiber tube, this adapter unlocks access to the world-renowned precision of a Feather Touch focuser. The adapter bolts to the stock base, converting it to accept the Feather Touch, which provides the fine control and heavy-load stability needed for modern imaging cameras and filter wheels. This simple modification transforms the mechanical performance of the telescope for serious astrophotography.

  • What is the purpose of this Starlight Instruments 2.0" Adapter?

    This adapter serves as a mechanical interface to allow the installation of a high-precision 2" Starlight Instruments Feather Touch focuser onto specific telescopes—namely the Sky-Watcher MN190, Intes Alter MN84, and Explore Scientific 8" Astrograph—that do not have a compatible mounting pattern out of the box. It attaches to the telescope's stock focuser base.

    Will this adapter fit my telescope if it's not one of the three models listed?

    This adapter is specifically designed for the mounting hole patterns and curvature of the Sky-Watcher MN190, Intes Alter MN84, and Explore Scientific 8" Astrograph (CF OTA). While it may physically fit other bases that have a compatible opening, proper fit and alignment are only guaranteed for the listed models.

    How will this adapter improve focusing on my Explore Scientific 8" Astrograph?

    By itself, the adapter does not change focusing. Its function is to enable the installation of a Feather Touch focuser. Once installed, the Feather Touch provides significantly finer control, zero image shift, and greater load capacity compared to the stock focuser, which is crucial for achieving sharp focus with an imaging camera on the ES 8" Astrograph.

    Do I need to drill new holes in my Sky-Watcher MN190 to install this adapter?

    No. The adapter is designed to attach directly to the stock focuser base that is already on your Sky-Watcher MN190 telescope. You will unbolt the original focuser, attach this adapter to the base, and then attach your new 2" Feather Touch focuser to the adapter.

    Can I use a focuser other than a 2" Feather Touch with this adapter?

    This adapter is engineered with the specific bolt pattern and flange dimensions of a Starlight Instruments 2.0" Feather Touch focuser (FTF20 series). It is not designed or guaranteed to work with focusers from other manufacturers.

    I have an Intes Alter MN84. Does this adapter replace the entire stock focuser assembly?

    No, it does not replace the entire assembly. On the Intes Alter MN84, you will typically remove the upper part of the stock focuser (the drawtube and pinion block) from its base. This adapter then bolts onto that existing base plate, providing the correct interface for the Feather Touch focuser to be installed.

  • Compatibility Sky-Watcher MN190, Intes Alter MN84, Explore Scientific 8" Astrograph w/CF OTA
    Focuser Interface Starlight Instruments 2.0" Feather Touch Focusers
    Mounting Attaches to stock telescope focuser base

    • 2.0" Adapter for MN190/MN84/ES8"

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  • Starlight Instruments 2-Year Warranty