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Scope Mounted, Sight In issue |
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RifleDude
Optics Jedi Master
God of Fire Joined: October/13/2006 Location: Texas Online Status: Offline Posts: 7696 |
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Topic: Scope Mounted, Sight In issuePosted: October/07/2009 at 06:41 |
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Skywalker, as Koshkin mentioned, don't try to zero your scope with the boresighter; its only job is to get you on paper for final sight-in. You cannot accurately establish how far above the point of aim you wish your sight-in to be during bore sighting, because there are too many variables affecting actual POI.
Remember, in order to move your POI on target UP, your reticle has to be moved DOWN. If you turn the elevation knob toward the "up" direction and watch your reticle move, it is actually moving downward. The same applies to your windage adjustment. When you move the knob in either direction, the reticle is actually being compensated in the opposite direction than you would initially think. |
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Ted
You can tell a lot about a fellow's character by his way of eating jellybeans. -- Ronald Reagan |
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8shots
Optics Master Extraordinaire
'lord of the flies' Joined: March/14/2007 Location: South Africa Online Status: Offline Posts: 3759 |
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Posted: October/07/2009 at 03:44 |
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We still have not got to the real problem, your turret adjustment is maxed out????
That can indicate a problem with your mounts or rifle. You should be able to get your crosshair and laser beam to the exact same point at about 25 yds with plenty of play in your turret adjustments (both up and down).
If you have been using a very short distance say 1 yds, then this may account why you are maxed out.
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koshkin
Optics Jedi Knight
Dark Lord of Optics Joined: June/15/2004 Location: United States Online Status: Offline Posts: 6306 |
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Posted: October/06/2009 at 23:18 |
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Ron is right. That laser beam is coming out of the barrel in a perfectly straight line, while the bullet will fly along a curved path (due to gravity pulling the bullet down). Hence actual bullet impact will always be lower than the laser beam. Either way, laser bore sighter is only useful to get the initial shot on paper. Final sighting in can only be done at the range. Sight the scope in an inch or two below the laser beam and go shoot it.
ILya
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www.opticsthoughts.com Those who are merciful to the cruel, are cruel to the merciful. Talmud |
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RONK
Optics Master Extraordinaire
Joined: April/05/2007 Location: United States Online Status: Offline Posts: 3199 |
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Posted: October/06/2009 at 22:42 |
No, you have it wrong. You need to have the crosshairs BELOW the projected laser dot if you wish the bullet to HIT above the POINT of aim (target center) when you actually go to shoot the rifle.
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skywalker
Optics Apprentice
Joined: January/16/2009 Online Status: Offline Posts: 112 |
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Posted: October/06/2009 at 22:17 |
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Close, you can slide a dollar bill between them, a low ring will not work, thus I have a mid ring. I did this, have my cross hair 1" above my laser dot. I understand what Ronk was saying. The laser is acting as bullseye and I am wanting to be 1" high, so my cross hair needs to be above, not below the laser. Of course, I am literally sighting this in on Sat, just trying to get ahead a little tonight.
I think I got it now. THANKS! |
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Kickboxer
Optics Jedi Knight
Joined: February/13/2008 Online Status: Offline Posts: 6504 |
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Posted: October/06/2009 at 22:12 |
Here it is... At that angle I cannot tell, but is that objective lens cover touching the barrel??? Looks close... ![]() |
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Opinion, untempered by fact, is ignorance.
"One test result is worth 1000 expert opinions" Von Braun |
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skywalker
Optics Apprentice
Joined: January/16/2009 Online Status: Offline Posts: 112 |
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Posted: October/06/2009 at 22:11 |
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So if I want to sight in 1" high at 100 yrds then I need the laser to be below the cross hair 1" with my laser? Haven't used my laser bore sighter much at all, so still learning.
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RONK
Optics Master Extraordinaire
Joined: April/05/2007 Location: United States Online Status: Offline Posts: 3199 |
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Posted: October/06/2009 at 21:57 |
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I can't get the pic to come up, but just to make sure- you do understand that the crosshairs will appear to move DOWN when you turn the turret "UP", right?
I see guys do this all the time- they boresight to a target or a laser beam and think that they are going to hit low when the crosshairs are below the beam, when in fact the opposite is true.
Just double-checking...
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skywalker
Optics Apprentice
Joined: January/16/2009 Online Status: Offline Posts: 112 |
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Posted: October/06/2009 at 20:31 |
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RifleDude
Optics Jedi Master
God of Fire Joined: October/13/2006 Location: Texas Online Status: Offline Posts: 7696 |
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Posted: October/06/2009 at 19:51 |
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Skywalker, could you post a closeup pic showing your scope, mounts and receiver? That might give us an idea of what the problem may be.
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Ted
You can tell a lot about a fellow's character by his way of eating jellybeans. -- Ronald Reagan |
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Kickboxer
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Posted: October/06/2009 at 19:02 |
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What sort mount, what rings?
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Opinion, untempered by fact, is ignorance.
"One test result is worth 1000 expert opinions" Von Braun |
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skywalker
Optics Apprentice
Joined: January/16/2009 Online Status: Offline Posts: 112 |
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Posted: October/06/2009 at 19:00 |
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I finally got my Kahles KX 3X9X42 mounted on my TC Encore mounted with medium rings. When I went to sight it in, I bore sighted it with a laser bore sighter and I have an issue. I have turned the turret UP as far as it will go and it is still low. What to do, what to do? I have no clue.
skywalker |
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