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Author Topic: Adjustable objective lense on rifle scope question  (Read 1715 times)

Offline huntnfmly

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Adjustable objective lense on rifle scope question
« on: December 27, 2016, 10:50:31 AM »
Hey everybody
  Just curious about my daughters scope.
It goes up to 24x
And was just wondering does the objective lense need to be adjusted all the time? Any explanation and help would be great
What does everybody else do?
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Offline Woodchuck

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Re: Adjustable objective lense on rifle scope question
« Reply #1 on: December 27, 2016, 10:55:15 AM »
In hunting situations, I think they take too much time. The scopes I have with it get set to "infinite" and zeroed as usual.  :twocents:
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Offline huntnfmly

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Re: Adjustable objective lense on rifle scope question
« Reply #2 on: December 27, 2016, 11:14:30 AM »
Thanks woodchuck
I was also wondering about just setting it to infinite
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Offline yorketransport

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Re: Adjustable objective lense on rifle scope question
« Reply #3 on: December 31, 2016, 11:49:27 AM »
For hunting you can usually get away with setting it somewhere in the middle and be done with it.

Here's an interesting test though. Sit at 100 yards with the gun locked in as tight and steady as possible and get the parallax dialed out by looking though the scope and making the adjustment until you can move your head around slightly without the cross hairs moving on the target. Now adjust the parallax again in either direction and try moving your head around again. You'll see that the cross hairs actually dance around on target. At relatively short range (under 300 yards) and under about 12x this isn't a big deal. When you get into the higher magnifications and longer ranges though that "shift" can cause misses.

Offline Stein

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Re: Adjustable objective lense on rifle scope question
« Reply #4 on: December 31, 2016, 11:53:33 AM »
It is there to adjust out parallax.  You can google or Youtube and see what it is.  For most hunters, if you forget to adjust it or have it set 100-200 yards either way you really aren't going to hit far from where you aim.  On the ones I use, the yardage markers on the dial are off and I do the head wiggle thing to manually adjust it when I have the time and am taking a longish shot.  95% of the time it is set to 200 and I don't even think about touching it.

Offline Reidus

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Re: Adjustable objective lense on rifle scope question
« Reply #5 on: December 31, 2016, 12:41:29 PM »
Many scopes without parallax adjustment are set to 150yds. Usually what i set to for when I'm hunting. If i zoom in I'll adjust the parallax.

 


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