Anyhting new that actually works to prevent scope fogging?

[DMTJAGER]

In 8 years of using a shotgun scope on my turkey gun I never once had the external lenses fog up. Well a few days ago was hunting in heaviest fog I've ever experienced while turkey hunting and my scope lenses fogged over and thank God I had both a lens cloth and lens cleaning wipes to fix it but if this happened with a Tom fast approaching I could see it costing me a shot.

I have never used anti-fog products so I have no idea if they work or not. Was wondering if anyone has one they know works and can recommend.

[DMTJAGER]

Well bought some RainX anti-fog. Going to try it out on a cheap scope before on an expensive one to see what happens when I try to fog it up.
Once i do so will report back here.

[Sir-diealot]

There is a product called Cat Crap that works very well, Start off with the paste and then you the spray for touch ups. Eventually you will have to use the paste again.

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