PrimaLuceLab ESATTO Robotic Focuser
Best high precision focuser for dedicated astrophotography enthusiasts.
This low-profile robotic focuser is engineered to integrate seamlessly with specific optical tubes without obstructing essential mirror controls. It provides precise, motorized focus control while maintaining the necessary backfocus for complex imaging trains, making it an ideal upgrade for serious astrophotographers.
$980.00
at
Telescopes.net
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Who it's for
- Astrophotographers using heavy cameras and filter wheels
- Users seeking a clean, cable-managed telescope setup
- Precision-oriented imagers demanding sharp star profiles
Who should skip it
- Budget-conscious hobbyists looking for basic focusing solutions
- Owners of multiple telescopes needing versatile mounting options
- Visual observers preferring manual, tactile focus adjustments
Performance breakdown
Focus Precision
Sub-micron resolution ensures razor-sharp focus for demanding deep-sky imaging sessions.
Payload Capacity
Handles heavy camera and filter wheel setups without slippage or flexure.
Integration Versatility
Seamlessly connects with ARCO rotators for fully automated, sophisticated imaging workflows.
Backfocus Efficiency
Ultra-slim profile preserves critical backfocus distance for complex optical trains.
Remote Connectivity
Robust WiFi and USB-C options make remote observatory control effortless.
Build Quality
Rugged construction maintains structural integrity under significant imaging equipment loads.
Key Specs
Compatibility
Celestron 8" EdgeHD Optical Tube Assembly
Body Thickness
32 mm
Free Aperture
50.9 mm
Weight Capacity
11 lbs
Backfocus Space
105 mm
Connectivity
USB-C, ARCO port, 12V power, Temperature probe port, WiFi
Resolution
0.03 microns per step
Combined Thickness with ARCO
54.2 mm
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