Anti-fog for glass

[meathunter]

Wondering what peoples go to for anti-fog for there glass like spotting scopes and binos?

[brokentrail]

Bausch & Lomb Fogshield works great for me.  Wasn't my idea, I got it from @JakeLand, so if it works for you, you can thank him!

[wadu1]

I've had good luck with Zeiss Anti Fog lens wipes.

[Kingofthemountain83]

Rain X anti fog...

[MonstroMuley]

Been using Regular Isopropyl Rubbing Alcohol on Tissue Paper after AI Googling "Zeiss Lens Wipes Ingredients" ... Works Pretty Consistently when applied Daily...
"Isoprop" appears to be main ingredient ... not sure what their proprietary detergents are? or how proportional an important ingredient % ? 

[*AI Overview
ZEISS lens wipes contain
water, isopropyl alcohol, proprietary detergents, and preservatives. Some versions may also contain 2-butoxyethanol instead of isopropyl alcohol, and a specific mixture of isothiazolinones{antimicrobial} as preservatives...]

This was Pretty Good past Thread on the Topic ... Shave Cream used to be my "Go To" ... "In-a-Pinch"
https://hunting-washington.com/smf/index.php/topic,219652.0.html