Thats very interesting, i once bought a cheap halo optic and at night it turned into a star type shape, reading what you wrote above i searched it, bummer hoping its not my eyesight but az I'd mentioned above using an aimpoint it remained a clear tight dot which from memory waz 2 or 3 moa although i didnt understand what that meant but i noticed the aim point was way nicer tha any halo or red dot Id used before..
Older eyes now is my excuse if I need one
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