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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Parallax adjustment
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<blockquote data-quote="dfanonymous" data-source="post: 1901697" data-attributes="member: 97050"><p>Astigmatism COULD be a factor but highly unlikely is the whole issue, it doesn't help.</p><p></p><p> It's more than likely a set up issue. Night forces are pretty touchy in their parallax and diopeter setup, and what appears to be the best set up using the diopeter doesn't always a seem to balance well with focus. It's happened to me with the atacr and it's happened to others but it's not the only scope, and it depends since I always have tired eyes. Best thing to do as I said is look up at the sky get the best image in the reticle with the diopeter, then let your eyes relax for awhile and check it again and fine tune from there. Using the sky is to avoid any scale reference for eye to inadvertently focus on. If you want to scale it with the parallax knob, actually use the moon, and set the parallax/focus to that. Thats a way to fine a true infinite on the knob but I would wait till the following day to set the diopeter Since light refraction has a lot to do with some of these differences. In my experience.</p></blockquote><p></p>
[QUOTE="dfanonymous, post: 1901697, member: 97050"] Astigmatism COULD be a factor but highly unlikely is the whole issue, it doesn’t help. It’s more than likely a set up issue. Night forces are pretty touchy in their parallax and diopeter setup, and what appears to be the best set up using the diopeter doesn’t always a seem to balance well with focus. It’s happened to me with the atacr and it’s happened to others but it’s not the only scope, and it depends since I always have tired eyes. Best thing to do as I said is look up at the sky get the best image in the reticle with the diopeter, then let your eyes relax for awhile and check it again and fine tune from there. Using the sky is to avoid any scale reference for eye to inadvertently focus on. If you want to scale it with the parallax knob, actually use the moon, and set the parallax/focus to that. Thats a way to fine a true infinite on the knob but I would wait till the following day to set the diopeter Since light refraction has a lot to do with some of these differences. In my experience. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Parallax adjustment
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