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Magnification on a riflescope.

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Old 12-07-2015 | 11:14 PM
  #31  
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Okay, yes I currently live in Illinois where deer hunting is shotgun/ML only but being older than dirt and hunting all over the country as well as having a large passion for the shooting sports and collecting firearms I do have many many many firearms. Other than my military collectables they all have a use/function and get fired on a regular basis. Now that that useless crap has been typed and out of the way, to the question at hand!

#1) If your firearm has a 12 inch POI shift at 75 yards between focal power shifts then you have a problem. Period, point, plain and simple. Now, the question is, is that problem you or the scope itself? 12" tells me it's more than likely the scope. If you were experiencing this problem at 200+ yards then I would maybe question whether or not you have a "fat" crosshair and you just weren't able to print a fine point on the target and you wandered around it. The older and cheaper scopes a lot of times were made with the crosshair on the second focal point and if you were using mildot then you had to do your drop and windage calculations based on one power because increase/decrease actually magnified/shrunk the mrads so ranging/windage calculations were different. Whole nother topic there, but they would also sometimes experience POI shift at various power levels with those older vari power scopes on the SFP type. Most mid range and above scopes nowadays are based off the first focal plane CH and rarely have this problem.

Your scope, with the Nikoplex ret. has absolutely NOTHING to do with that APP so you were talking to a jerk around BS artist on the phone. Contact customer service, tell them the problem again, and if they try jerking you around again by saying something about some stupid app tell them they are full of crap! Send the scope in for another one. Of course that is AFTER you check your rings and such for torque to make sure when you adjust power you aren't actually physically moving the scope a hair. (happens more than you think).
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Old 12-08-2015 | 08:28 AM
  #32  
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Originally Posted by Sheridan
As an experiment;

Shoot 5 shot groups; one "group" on 3X, one "group" on 6X & one "group" on 9X.

If you have 3 (tight !) groups all at different points of impact, you can send it back with confidence (enclose target as proof) !!!

Let us know the results of the 3 groups set on the 3 different powers.
Ghost,

If you want to get to the bottom of this concern, check the bases & rings to insure they are tight......then follow the procedure above.

Please post a picture of that target once completed.

Circle each 5 shot group and mark at which power your scope was on for each group (3X, 6X & 9X).

It would be best if done off a bench at 100 yards !

I believe you will find this "exercise" very enlightening........................

Last edited by Sheridan; 12-08-2015 at 09:20 AM.
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Old 12-08-2015 | 09:32 AM
  #33  
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Now you two stop bickering back and forth and stop trying to get in the last word. You both are like two little kids. Your insults to each other do nothing but degrade the forum.
Ghost - sight your rifle in using the highest magnification on your scope. Then shoot at 3X and see where your POI is. This is after you have removed your scope and checked the bases for tightness and reinstalled the scope and checked the rings.
Sighting in at the highest setting is recommended by most manufacturers.
If you do this and have a major POI change (greater than 2"-3" which I would attribute to human error) then I would definitely send the scope back. I have Bushnells, Leupolds, Burris and Nikon scopes, all varibles and have never had any give me a significant POI change at any setting.
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Old 12-08-2015 | 10:35 AM
  #34  
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So I finally went to the range today to check the scope out at different magnifications. The fired 3 at 3x and bullseye on each one. Dialed scope to 6x and first 2 dropped 2 to 2.5 inches. The third shot hit just lower than my 3x groups. So I then went to 9x and the shots were way low but all shots were touching. Maybe a 7 to 8 inch drop on the 9x magnification. Nikon emailed me back and they want to repair or replace it.
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Old 12-08-2015 | 10:56 AM
  #35  
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Glad to hear they are going to take care of the problem. It's too bad some people don't pay enough attention to things like this or figure a shift in POI at the various power settings is normal when they find a situation like you did and don't do something about it! I hope you get satisfaction from Nikon and please by all means let us know what they do and how long it takes them to rectify the problem.

Last edited by Topgun 3006; 12-08-2015 at 10:59 AM. Reason: Spelling
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Old 12-08-2015 | 11:09 AM
  #36  
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For the record I said it was a common problem not "normal" and it is.
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Old 12-08-2015 | 11:11 AM
  #37  
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Originally Posted by bronko22000
Now you two stop bickering back and forth and stop trying to get in the last word. You both are like two little kids. Your insults to each other do nothing but degrade the forum.
I'm a little kid because I won't sit back while somebody calls my 100% correct statement lame and incorrect? That makes no sense to me at all.
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Old 12-08-2015 | 11:15 AM
  #38  
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Originally Posted by AutumnGhost
........bullseye on each one...... but all shots were touching. Maybe a 7 to 8 inch drop on the 9x magnification. Nikon emailed me back and they want to repair or replace it.

Honestly Ghost I just wanted to know if you can shoot - the only way to know that is "your groups"................. so you did good !

No way different power settings on any variable scope should effect
the point of impact (POI) - otherwise it would be useless.

Nikon knows there is something wrong with your scope - Glad to hear that they are going to do the right thing !!!

Again honestly I thought you were going to have trouble putting a circle around your groups - LOL

So now we all know you got a lemon !!!
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Old 12-08-2015 | 11:23 AM
  #39  
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Originally Posted by rockport
I'm a little kid because I won't sit back while somebody calls my 100% correct statement lame and incorrect? That makes no sense to me at all.
Sorry Rock but I also have to disagree. I don't know what bad luck you've had with the scopes you've purchased. But I do not see this as a common problem. I've had variable scopes for over 50 years from various manufacturers, including Nikon, and I have never had this issue.
I always sight in at the highest magnification to reduce any sight in errors. I never noticed any change in POI at different settings. But I do have to admit that I either shot animals when I had the scope set at its lowest setting while hunting. And if a long shot presented itself I would crank the scope up to max. I can't recall ever using a mid-magnification setting. Everything I ever shot was at either the lowest or highest.
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Old 12-08-2015 | 11:39 AM
  #40  
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Originally Posted by bronko22000
Sorry Rock but I also have to disagree. I don't know what bad luck you've had with the scopes you've purchased. But I do not see this as a common problem. I've had variable scopes for over 50 years from various manufacturers, including Nikon, and I have never had this issue.
I always sight in at the highest magnification to reduce any sight in errors. I never noticed any change in POI at different settings. But I do have to admit that I either shot animals when I had the scope set at its lowest setting while hunting. And if a long shot presented itself I would crank the scope up to max. I can't recall ever using a mid-magnification setting. Everything I ever shot was at either the lowest or highest.
1st of all notice that there will be no childish actions based on you disagreeing with me because you did so like a normal person.

Anyway its not just my luck. Ive seen it just as often with other peoples scopes. Just had a run in with it a few weeks ago with someone elses scope.

Its is a fact that it happens not just my opinion.

If you have experience with hundreds of low-low/mid quality scopes and never dealt with it you are very lucky.

It seems some took my comment as in "its normal just deal with it" which is not what I meant at all.

What I meant is that it is a common enough problem to check every scope before hunting.

I'm not just making stuff up, Ive seen it on my own scopes and others scopes over the years and you can read about it as well. It is a real problem and should always be checked before hunting.

Also as I stated originally 12" is not common that is way bad but a slight shift in POI with magnification changes are very common and to often changes of 3-4 inches do occur.

Last edited by rockport; 12-08-2015 at 11:43 AM.
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