Sky-Watcher Quattro Coma Corrector
Best precision optical upgrade for serious Newtonian astrophotography enthusiasts.
Essential for wide-field astrophotography, this corrector eliminates the comet-like distortion common in fast Newtonian telescopes. It ensures pinpoint star clarity across the entire frame, making it a vital upgrade for anyone capturing deep-sky images with a fast imaging system.
$490.00
at
Highpointscientific
More Quattro options
Who it's for
- Astrophotographers seeking professional-grade clarity in wide-field deep-sky images
- Wide-field imagers wanting to maximize their telescope's original light-gathering speed
- Serious hobbyists using heavy DSLR or dedicated cooled CMOS cameras
Who should skip it
- Beginners who prefer a simple plug-and-play setup without technical measurements
- Owners of entry-level telescopes with lightweight or plastic focusing mechanisms
- Visual observers or photographers using telescopes slower than f/5
Performance breakdown
Edge-to-edge sharpness
Effectively eliminates star distortion across the entire imaging field.
Optical clarity
Premium FPL51 and Schott glass ensures exceptional light transmission.
System compatibility
Seamlessly integrates with standard M48 threading and 2-inch filters.
Ease of calibration
Requires precise 55mm back focus, demanding careful setup for optimal results.
Build durability
Robust construction designed to withstand the rigors of frequent field use.
Specialized performance
Purpose-built for f/4 Newtonian telescopes, delivering highly targeted optical correction.
Key Specs
Focal Ratio
f/4
Glass Material
FPL51 and Schott glass
Back Focus
55 mm
Thread Size
M48
Filter Compatibility
2 inches
Warranty
2 years
Country of Origin
China
Weight
1.06 lbs
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