Sky-Watcher Evostar Reducer/Corrector
Best optical enhancer for dedicated amateur astrophotographers.
This essential optical tool transforms a standard refractor into a more versatile imaging machine. It effectively shortens the focal length for a wider field of view while simultaneously correcting edge distortion for crisp, professional-grade astrophotography.
$395.00
More EvoStar options
Who it's for
- Astrophotographers seeking professional edge-to-edge clarity in their deep-sky images
- Deep-sky imagers looking to maximize efficiency during short nights
- Sky-Watcher Evostar owners wanting a dedicated and reliable optical upgrade
Who should skip it
- Beginners who prefer an all-in-one solution without purchasing extra parts
- Multi-telescope users looking for a versatile, universal focal reducer
- Casual hobbyists who find complex optical spacing adjustments frustrating
Performance breakdown
Field Flatness
Eliminates edge distortion for crisp, uniform star shapes across the frame.
Imaging Speed
Faster focal ratio significantly reduces total exposure time for deep-sky targets.
Optical Clarity
High-quality glass maintains contrast without introducing unwanted chromatic aberration.
System Compatibility
Highly specialized design limits use to specific Evostar refractor models.
Build Quality
Robust metal construction ensures secure, vibration-free mounting during long exposures.
Ease of Integration
Simple threaded attachment makes installation straightforward for most astrophotography setups.
Key Specs
Weight
0.7 lbs
Warranty
2 years
Magnification Factor
0.85x
Required Adapter
48mm T-Ring
Compatibility
PRO 120 ED APO, Sky-Watcher 150ED Refractor, Evostar 120 ED APO
Application
Astrophotography
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