I looked through my Vortex Spark for the first time since shooting a CQB match a couple of weeks ago. The dot is no longer a dot but a blur? Is this maybe a dying battery or could it be because I am looking at it indoors? I can't remember it ever being a blur before. My mount was completely loose as well. I hope that didn't increase the recoil during the match and damage the red dot. The loose mount would explain my score.
I don't think I tightened it enough plus I didn't put any blue thread lock on it. It's real tight now and I added thread locker. 
Anyone have their dot go into a blur before?

Anyone have their dot go into a blur before?
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