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Thread: Prevent scope fogging?

  1. #1
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    Default Prevent scope fogging?

    Something I've been meaning to ask for years... I have several scopes, some with purported anti-fog lens coatings. But they all fog under the same specific circumstances. Specifically, the outside of the ocular lens (not the objective lens) tends to fog on damp, cold days (wet snow, cold rain/drizzle or mixed rain/snow) when I'm sitting on a stand, gun across my lap or resting in my arms. I believe its caused by warm, moist air escaping from my body or gloved hands and condensing on the ocular lens. The objective lens, when generally tends to be a little farther away from my body, never fogs. No fogging whatsoever occurs when circumstances allow me to rest the gun away from my body, such as across a safety rail or leaned up in the corner of a blind. Any tips?
    "What calm deer hunter's heart has not skipped a beat when the stillness of a cold November morning is broken by the echoes of hounds tonguing yonder?" -Anonymous-

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  3. #2
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    I've tried many products thru the years for my Bino's, same issue. I've tried the various 'anti-Fog' sprays but all fail. I did get one that wasn't to bad, it's called 'Cat Crap' I picked up at Mark's.

    Since a scope is farther away from the face than Binos, it would probably work great.

    I see since the pandemic, a few companies have come out with supposedly 'great' for people who wear glasses and have to wear a mask. Haven't tried any yet.

    https://www.missioneyecare.ca/produc...og-lens-spray/
    Last edited by MikePal; January 24th, 2021 at 01:13 PM.
    Arte et marte (By Skill and by Fighting)...The RCEME motto

  4. #3
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    Scope caps. I have see thru clear ones on both my coyote and deer guns.

    Sent from my SM-G960W using Tapatalk
    "If guns cause crime, all of mine are defective."

    -Ted Nugent

  5. #4
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    Quote Originally Posted by SongDog View Post
    Scope caps. I have see thru clear ones on both my coyote and deer guns.

    Sent from my SM-G960W using Tapatalk
    X2 Scope caps and I still spray lens with Zero-Fog before every hunt.
    "Only dead fish go with the flow."
    Proud Member: CCFR, CSSA, OFAH, NFA.

  6. #5
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    Flip up scope caps. All my scopes wear them. Wont go without.

  7. #6
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    Quote Originally Posted by blasted_saber View Post
    Flip up scope caps. All my scopes wear them. Wont go without.
    X2.....

  8. #7
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    Quote Originally Posted by blasted_saber View Post
    Flip up scope caps. All my scopes wear them. Wont go without.
    X2. Butler Creek has a full line that will fit almost every scope model there is. For those that seem a tad loose,I use one small drop of LokTite and slide the cover on. Works like a charm from losing scope covers on the way into a set up.
    Remember May 1,2020 when they say "We don't want your hunting guns".
    "Emergencies" have always been the pretext on which safeguards of individual liberty have been eroded.--F.A.Hayek

  9. #8
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    Quote Originally Posted by trimmer21 View Post
    X2. Butler Creek has a full line that will fit almost every scope model there is. For those that seem a tad loose,I use one small drop of LokTite and slide the cover on. Works like a charm from losing scope covers on the way into a set up.
    They are well worth the $25-$30 for the set. Super convenient and they just work.

    I had a pair that were a hair too loose, so I just put a single wrap of electrical tape around the scope and that snugged it up.

    Heres two of mine. Ruger 308



    Marlin 3030 (with my $0.50 shooting sticks)

    Last edited by blasted_saber; January 24th, 2021 at 05:57 PM.

  10. #9
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    I go with caps as well, have a couple guns that still need them but added them to a few this past year as a test and I love them. The only issue I see is the sound, the "pop" when you open them up, but you can open them up early and do it slowly, well before you anticipate any animal showing up.

    I also hunted with a guy that used rainX anti-fog for winshields, he said it worked but I never did that to mine. He also used rainX coating on the lens, the water then beads and does is easier to see through. No idea how it worked, ha ha.

  11. #10
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    Quote Originally Posted by Fox View Post
    I go with caps as well, have a couple guns that still need them but added them to a few this past year as a test and I love them. The only issue I see is the sound, the "pop" when you open them up, but you can open them up early and do it slowly, well before you anticipate any animal showing up.

    I also hunted with a guy that used rainX anti-fog for winshields, he said it worked but I never did that to mine. He also used rainX coating on the lens, the water then beads and does is easier to see through. No idea how it worked, ha ha.
    I opened mine this past fall when I heard a deer coming. I estimate she was around 100m away when I did. She continued to approach without hesitation.

    That said, if the weather is nice I leave them open anyways while on watch.

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