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Interesting issue SS 10x42 side paraallax

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/15/2012 at 18:23
Sonyxbr View Drop Down
Optics GrassHopper
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I have a SS 10x42 mil dot side parallax adjustment scope on my savage 10FCP-K.
The other day I was out shooting between 100 to 300 yds.
I was using a white grid target with a 4" orange diamond with a 1" black diamond in the center of the orange diamond in the center of the target.
Now when I would adjust the parallax to give me a clear view of the target I would notice that just the 1" black diamond would move in relationship to the larger orange diamond when I moved my eye in relation to the scope.
What is strange is the whole target and the orange diamond wouldn't move in relation to the reticle but just the 1" black diamond which is in the center of the 4" orange diamond when moving my eye in relationship to the scope.
Now it seems to me if my parallax adjustment was off the whole target would move in relationship to the reticle and not just the black diamond.
So does anybody have any idea what I may be seeing here , am I correct with my understanding of how the parallax adjustment should work?

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/15/2012 at 19:12
billyburl2 View Drop Down
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Hmmmm, interesting indeed. Maybe the diopter adjustment is off just a bit. Have you re-checked that since noticing this?
 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/15/2012 at 19:20
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Originally posted by billyburl2 billyburl2 wrote:

Hmmmm, interesting indeed. Maybe the diopter adjustment is off just a bit. Have you re-checked that since noticing this?
 

Yeah I thought the same thing, I did check the diopter adjustment briefly and the reticle seemed to be sharp and solid.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/15/2012 at 19:28
billyburl2 View Drop Down
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My suggestion would be to spend some time focusing the diopter. Making sure that the scope's parallax is set to infinity, and looking at a clear blue sky. And that the reticle is instantly clear and sharp. If it is, and this problem persists, contact SWFA.
 Barring that, I would focus the target parallax-free first, and worry about absolute clear picture second.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/15/2012 at 19:40
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Optics GrassHopper
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Originally posted by billyburl2 billyburl2 wrote:

My suggestion would be to spend some time focusing the diopter. Making sure that the scope's parallax is set to infinity, and looking at a clear blue sky. And that the reticle is instantly clear and sharp. If it is, and this problem persists, contact SWFA.
 Barring that, I would focus the target parallax-free first, and worry about absolute clear picture second.

Thanks for the reply.
I forgot to mention that no matter how I adjusted the parallax adjustment I couldn't get the black diamond steady.
So I am also thinking this has to be a diopter adjustment issue.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/15/2012 at 19:46
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I agree. adjusting the diopter can be tricky, and the adjustment on the SS isn't very fast. So it takes some patience and remembering to get off the rifle to rest your eyes.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/16/2012 at 08:14
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Those orange targets have a tendency to produce optical illusion from contrast issues. I have never favored them.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/16/2012 at 10:12
stickbow46 View Drop Down
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Sometimes the complex problems have simple solutions.Try taping the side parralex with your knuckles,that's the solution I used on my Acog & it worked very well!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/16/2012 at 10:46
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Originally posted by 3_tens 3_tens wrote:

Those orange targets have a tendency to produce optical illusion from contrast issues. I have never favored them.


Have you tried other targets.. I've seen the same thing with the orange targets in other scopes
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/16/2012 at 16:47
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Originally posted by biggreen747 biggreen747 wrote:

Originally posted by 3_tens 3_tens wrote:

Those orange targets have a tendency to produce optical illusion from contrast issues. I have never favored them.


Have you tried other targets.. I've seen the same thing with the orange targets in other scopes

Yeah in the past i have used different targets and I have never noticed this situation.


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/16/2012 at 18:11
Gerry Atric View Drop Down
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Have had the same issue with Birchwood Casey "Target Spots", the phenomenon got worse with mirage as the shooting session was performed at -10º C
 
The black diamond seemed to have a private dancing session at the target center, optical illusions are not beneficial for small groups. Not cold weather and lots of snow either Wink
 
Gerry Atric
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