Starlight Instruments A20-291 Adapter
Best precision adapter for dedicated astrophotographers seeking a secure equipment connection.
A specialized adapter designed to bridge the gap between specific high-end telescopes and standard 2.0-inch accessories. It provides a secure, stable connection for demanding optical setups, though it is not compatible with binoviewers.
$130.00
at
Starlightinstruments
Who it's for
- Astrophotographers requiring absolute sensor squareness and stability
- Serious observers using heavy imaging equipment or large eyepieces
- Astronomers looking to improve their stock telescope's focusing performance
Who should skip it
- Budget-conscious hobbyists seeking a simple, low-cost mounting solution
- Multi-scope users who prefer universal or highly versatile accessories
- Imagers working with complex focal reducers and limited spacing requirements
Performance breakdown
Build Integrity
Robust construction ensures zero flexure during long-exposure astrophotography sessions.
Alignment Precision
Maintains perfect optical axis centering for high-magnification visual observation.
Installation Ease
Threads smoothly onto compatible focusers with a secure, confident lock.
System Versatility
Opens up 2-inch accessory options for specialized Takahashi and Mewlon systems.
Component Compatibility
Highly specialized fit limits use to specific high-end telescope models.
Finish Quality
Premium machining matches the aesthetic and durability of high-end optical gear.
Key Specs
Weight
2 lbs
Dimensions
6 x 6 x 6 inches
Barrel Diameter
2.0 inches
Compatibility
Takahashi CN212, Mewlon 180, 210, and 250mm telescopes
Focuser Compatibility
FTF2015BCR
Thread Specification
71x1mm thread on entry side
Know before you buy
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