DirectSync
SV with FocusLynx
Direct Drive Focus Motor for the Stellarvue Focusers
The FocusLynx DirectSync SV system is an aftermarket add-on for the Stellarvue SVF25 2.5-inch and SVF30 3-inch Focusers and includes the FocusLynx focus controller and new DirectSync SV digital motor with built-in temperature sensor. The new DirectSync SV motor provides a direct drive motor that can be easily disengaged for manual focusing. The DirectSync SV motor kit is easy to install and provides a digital focusing solution that also allows manual focus when at the telescope.
For a detailed explanation of the FocusLynx System, please download and read the FocusLynx FT Whitepaper.
DirectSync SV Motor for the Stellarvue SVF25 and SVF30 focuser
The
FocusLynx DirectSync SV package was designed especially for the
Stellarvue 2.5 and 3-inch
native focusers and offers greater positional repeatability than the
original QuickSync SV package. With a direct gearing system that
leaves the planetary reduction assembly and unique tensioning system intact, DirectSync
SV can achieve
greater positional repeatability and carry imaging camera packages in
excess of 5 kg (11-lbs).
Coupled with the FocusLynx controller, DirectSync can be used in both manual and automatic focusing modes. Fully ASCOM compliant, FocusLynx Commander software works in conjunction with higher level client software such as FocusMax and Maxim D/L as well as CCDSoft and TheSky X to provide auto-focusing for a wide variety of manual focusers.
Compatible with:
- Stellarvue SVF25 2-1/2-inch focuser,
- Stellarvue SVF30 3-inch focuser,
- Stellarvue -25SV 2-1/2-inch focuser,
- Stellarvue -3SV 3-inch focuser,
- Many Stellarvue model telescopes including:
- SV080ST-25SV,
- SV80-3SV,
- SVR102T-25SV 102mm Raptor.
NOTE: For Access and SVQ models, see our #19776 DirectSync APO motor. For larger Stellarvue focusers, see our #19780 DirectSync SV35 motors.
Specifications:
DirectSync SV Motor (#19778)

- Motor Housing Width: 1.9" (48mm)
- Overall Length: 3.35" (85mm)
- Weight: 5.2 oz (150 g)
- Step Resolution: 1.1 micron per step
- Stepper Motor: Bi-polar NPM 15-ohm with 1:25 gearhead
- Connection to FocusLynx: Standard Ethernet cable (included)
- Temperature Probe: Integrated Digital Sensor type TMP04FT9Z
- Current Draw: Maximum draw approx. 350mA
FocusLynx Controller (#19690)
- Length: 5.1" (130mm)
- Width: 3.2" (81mm)
- Height: 1.0" (27mm)
- Weight: 9.8 oz (280 g)
- Connectivity: USB/Serial, Ethernet, and WiFi
- Hand Control: Optional
- WiFi Connection: Optional
- Second Stepper: Optional
- Input Power: 12VDC universal power supply (110 to 230VAC input)
- Software Drivers: ASCOM local server, X2 native drivers for TheSky X
How to Order:
Contact any Optec dealer, call Toll-Free 1-888-488-0381, email, or visit our ecommerce site: optecinc.us.
The DirectSync SV includes the #19778 DirectSync SV motor only for owners of the FocusLynx Control Hub. Other options may be ordered separately.
Also Available with Integrated ThirdLynx Controller
Visit our new website for the DirectSync SVX30 motor with integrated ThirdLynx control circuit. Fully compatible with all FocusLynx software drivers.
Additional Details and Resources:
Click
here
for the
DirectSync
SV Installation instructions.