2nd Generation Backup Camera and Raindrops Disrupting View

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2018 CX-9 GT
Rained today here on the Eastern seaboard. I was backing into my driveway and there were many raindrops obscuring my camera lens. Has anyone tried putting something on the lens (Rain-X or wax) to mitigate this problem? Thanks.
 
I would be interested in knowing about it too - had the same problem when it rained here.
 
I've used a spray wax as well as a paste wax. It helps, but barely.
 
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