Optec TCF-LSI
Best high precision focuser for dedicated deep sky astrophotographers.
This integrated focuser removes the need for external controllers by housing all electronics within the unit itself. It offers a compact, high-precision solution for maintaining focus during long imaging sessions, making it an efficient choice for astrophotographers.
$795.00
at
Deepspaceproducts
More TCF-LSI options
Who it's for
- Astrophotographers using large format cameras and heavy filter wheels
- Precision-oriented imagers demanding critical focus for high-resolution sensors
- Remote observatory users needing consistent focus throughout the night
Who should skip it
- Owners of compact telescopes with limited back-focus clearance
- Budget-conscious hobbyists looking for a simple autofocus solution
- Beginners seeking a plug-and-play focusing experience
Performance breakdown
Focus Precision
High-resolution stepping motor delivers razor-sharp adjustments for demanding astrophotography.
Thermal Stability
Active temperature compensation keeps focus locked through fluctuating night temperatures.
System Integration
Integrated electronics remove cable clutter and simplify your imaging train setup.
Payload Capacity
Handles heavy camera rigs with ease without sacrificing mechanical movement.
Build Quality
Robust Crayford-style mechanism ensures smooth, reliable operation over long sessions.
Software Compatibility
Seamlessly integrates with standard control software for a streamlined workflow.
Key Specs
Focuser Travel
15.2 mm
Step Resolution
2.2 microns
Total Step Travel
7,000 steps
Weight
1.0 kg
Payload Capacity
4.5 kg
Telescope-side Mount
OPTEC-2400 dovetail
Camera-Side Mount
2-inch drawtube
Overall Height
84mm to 99mm
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