Sky-Watcher Quattro Imaging Newtonian Coma Corrector


Availability: More on the way

The necessary companion for the Quattro Imaging Newtonians to achieve true professional images.
Our Product #: S20204
Sky-Watcher Product #: S20204
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Product Description

The inherent problem with reflectors is coma as you start to get away from the center of the field.  So, to get rid of that particular aberration you will need a coma corrector like this one for your instrument.  This Sky-Watcher coma corrector will bring your Quattro imaging to the next level and deliver stunning wide field views with pinpoint star to the edge.

Four-element, f/4. 
FPL51 and Schött glass. 
Optimized for Quattro imaging Newtonians.
 Requires 55mmback focus. 
Can handle up to full-frame sensors. 
Does not add magnification. 
48mm threads. 

Tech Details

Focal Ratio f/4
Optical Coatings FPL51 ED and Schott Glass
Back Focus 55mm


Review by:
Forgot to star rate this, to five stars! (Posted on 10/23/2019)
Review by:
Hi All,

I have this exact Coma correct, and it works awesome on my 8" F/3.9 imaging newt!!! The star all around the edges are pinpoint!! I love this Coma corrector! It brought to life my F/3.9 newt's full potential!

Clear skies,

AstroEd (Posted on 10/23/2019)
Review by:
Worth every penny. Crisp stars to the edge, easy to get dialed in from a backfocus standpoint. (Posted on 10/17/2019)
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