Could you sight your red dot in, then put a mark on the lens the same size as the dot with a fine point marker on the glass where the red dot appears when turned on and use the mark on the lens with the red dot turned off as your point of aim? Just a thought.
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I don't think so
You'd have to have your head in the exact same position every time for the dot placement to be correct. Is what I'm thinking.
Neal
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What Neal said.
The red dot can move within the sight picture and still have POI wherever the dot is on the target. Marking a dot on the glass won't produce the same results...unless you have the exact same placement of your eye behind the sight everytime.
Line it up with the bead so you have a reference, might have to position the dot off center so probably weird?
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Probably best to just take an extra battery, or go with something like a Holosun HE507C where a dead battery isn't an issue as long as there is light.
Whereas the illuminated dot is parallax-free........a marker dot on a lens would not be.
2032 batteries are cheap. I change mine out about every other year just as a matter of course AND keep a spare in my belt pack. I've actually practiced changing one out with the gun in a shooting position. I can be done pretty stealthily.
Most manufacturers of Red dots will tell you the batteries will last from 15000 to 50000 hours on low settings. On the highest setting, about 1500 hours. If you're like me, I normally have mine at 1 or 2 on a 10 scale because the higher the setting the more I see a Starburst. If you left your dot on a low setting (1 or 2) for 2 solid months, you would only use 1440 hours of battery. Personally, I don't believe battery life is an issue with a Red dot, if you change the battery every spring or every other spring. Since my season is in the rear-view mirror, I have cleaned the gun and tossed this year's battery. A new battery will be put in next March.
I tote an Allen wrench in my vest in case something goes wrong. I will snatch it off!!! It will come off in a minute!!! Roll on...
Hey y'all have a good one, Bo
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A couple years ago in our indoor 3D league my buddy...with a red dot on his bow...had a dead battery because he had left it on. Well...he tried what you said, i.e. put a dot in the middle. After shooting at a few animals he was done for the night...all over the place.
As others have said, a stationary dot won't work... actually would be worse than just a bead in my opinion, as it would be floating, whereas with a bead you know if you're not down on the gun if you can see the rail.
I also keep a couple spare batteries and a leatherman tool with me at all times just in case the battery malfunctions, as well as an allen wrench to just remove it if absolutely necessary. Last week, I had a gobbler en route to me at 50 yards before I noticed the red dot blinking on and off, indicating a low battery. It worked out, but almost gave me a heart attack, and could have been much worse if the situation was different.