Sky-Watcher Quattro Coma Corrector
Best optical upgrade for serious astrophotographers using fast Newtonian telescopes.
This essential optical accessory eliminates edge distortion for fast Newtonian telescopes. By utilizing high-quality glass elements, it ensures pinpoint stars across the entire field of view, making it a critical upgrade for astrophotography enthusiasts using specific fast-focal-ratio systems.
$490.00
at
Skywatcherusa
More Quattro options
Who it's for
- Astrophotographers seeking sharp, distortion-free stars across their entire frame
- Owners of fast f/4 Newtonian telescopes needing maximum light throughput
- DSLR and mirrorless users wanting a simple, standard 55mm setup
Who should skip it
- Budget-conscious hobbyists prioritizing telescope cost over optical perfection
- Beginners struggling with precise mechanical spacing and calibration
- Full-frame sensor users concerned about edge-of-frame light falloff
Performance breakdown
Coma Correction
Eliminates edge distortion for pinpoint stars across the entire field.
Optical Clarity
Premium FPL51 and Schott glass ensure exceptional light transmission and sharpness.
System Compatibility
Perfectly optimized for f/4 Quattro Newtonians but requires precise backfocus calibration.
Build Quality
Robust construction feels durable enough for frequent, demanding field use.
Astrophotography Versatility
Seamlessly integrates with DSLR adapters for high-end deep sky imaging.
Setup Complexity
Strict 55mm backfocus requirement demands careful attention during initial installation.
Key Specs
Focal Ratio
f/4
Glass Type
FPL51 and Schott
Backfocus Requirement
55mm
Magnification Factor
1.0x
Astrophotography Ready
Yes
Telescope Compatibility
Reflector
Material
FPL51 and Schott glass
Know before you buy
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Ask Metto anything about the Sky-Watcher Quattro Coma Corrector before you decide.