PrimaLuceLab ESATTO Adapter
Best adapter for connecting M72 imaging gear to 3-inch focusers.
This precision-engineered adapter bridges the gap between high-performance focusers and large-aperture optical tubes. It ensures a rigid, secure connection for heavy imaging trains, eliminating flexure and maintaining optical alignment during long-exposure astrophotography sessions.
$174.00
at
Agena AstroProducts
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Who it's for
- Astrophotographers demanding perfect optical alignment and zero image tilt
- ESATTO 3-inch focuser owners needing a rock-solid, slip-free connection
- Imagers wanting to connect M72 accessories to their M81 system
Who should skip it
- Budget-conscious hobbyists preferring generic, lower-cost thread adapters
- Users with non-PrimaLuceLab focusers or different thread standards
- Photographers with tight backfocus constraints needing precise spacing
Performance breakdown
Mechanical Precision
Machined tolerances ensure a rock-solid, wobble-free connection for heavy imaging trains.
Backfocus Efficiency
Adds a negligible 5mm, preserving critical space for complex sensor setups.
Thread Compatibility
Seamlessly bridges M81 and M72 standards without needing custom machining.
Build Durability
Robust metal construction withstands the rigors of frequent field assembly.
Ease of Installation
Simple thread-on design makes swapping imaging components quick and intuitive.
System Integration
Specifically engineered to maintain perfect alignment with the ESATTO ecosystem.
Key Specs
Optical Thickness
40mm
Compatibility
Sky-Watcher Esprit 100ED, SkyWatcher/Orion Newton 250 f/4 and f/5, ED80, ED100, ED120
Function
Connects ESATTO 2 inch focuser
Installation
Uses original tube holes
Adjustment
Includes orthogonality adjustment screws
Accessory Type
Focuser Adapter
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