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Night Vision Vortex Impact 4000 Rifle/Rail mounted Range finder???

First range trip, worked flawlessly. No issues with recoil.
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First 5 shots on the orange at 500 yards. Vortex solution given was 2.06 Mils up so dialed in 2.1. First shot was a little high. Dialed down to 2.0 and it started hammering. Wind was fairly high at 20 - 25 MPH so not too shabby!
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First range trip, worked flawlessly. No issues with recoil.
Click to expand...

Thanks for mentioning that. I've been wondering how everyone's Impacts are holding zero with recoil and time. Can anyone else comment on whether or not your Impact has held zero and what caliber(s) it has been used on with approximate round count? If any are shifting, are we talking large or small shifts? My Radius LRFs I've had over the years usually did fine with recoil but it did not want to stay perfectly zeroed on a 6.5 Creedmoor gas gun. I'm guessing that was the vibration coupled with the odd mount on the Radius. I'd love to hear what you guys can share on the matter.
 
Took 5th in a match when i am usually mid pack. The calculations are a a little slow, it times out too quickly which cost me time, but other than that it works killer. I have very little time behind it, maybe 20 minutes before the match. So not well versed.
 
Jgunner said:
Took 5th in a match when i am usually mid pack. The calculations are a a little slow, it times out too quickly which cost me time, but other than that it works killer. I have very little time behind it, maybe 20 minutes before the match. So not well versed.
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There are multiple timeout settings in the menu including no timeout at all. In that setting you have to manually turn it off or it won't turn off until the power dies. As far as calculation time goes, I'm wondering if you might have had the impact in ELR mode. That will increase time to solution, but otherwise I have found the solution is waiting for me as soon as I come out of the scope to look.

Anyhow, hope this helps and thank you for the post!

Best Regards
Scott
 
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Jgunner said:
Took 5th in a match when i am usually mid pack. The calculations are a a little slow, it times out too quickly which cost me time, but other than that it works killer. I have very little time behind it, maybe 20 minutes before the match. So not well versed.
Click to expand...
Somewhere in the settings you can disable the auto-off feature (that’s what I did with mine)
 
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Scott_at_Vortex said:
There are multiple timeout settings in the menu including no timeout at all. In that setting you have to manually turn it off or it won't turn off until the power dies. As far as calculation time goes, I'm wondering if you might have had the impact in ELR mode. That will increase time to solution, but otherwise I have found the solution is waiting for me as soon as I come out of the scope to look.

Anyhow, hope this helps and thank you for the post!

Best Regards
Scott
Click to expand...
Oh, ok! Ill check that out! I have not messed with settings much, if at all. Appreciate the info!
 
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Finally getting my Impact setup. I think this is how I’m gonna use it. Seems pretty handy with this 8-40 LMSS2. Mounted on the side you don’t have to come off glass to see the display. With 90% of the use I’ll have with it, having it paired with the spotter makes the most sense vs running on the rifle. Especially, where I haven’t really found a solid solution for mounting the remote to my Vision chassis.
 

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Here’s a few pictures of Badger Ord’s new lower CLIF mount with a 4-20 ATACR.
 

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When does the wind and weather info get updated when paired with a Kestrel weather station? I have the Kestrel 5500 with a vane setup to feed wind and weather info into GeoBallistics. From the manual I see where you can update the wind info from within the GB app. Is there a way to pull updated wind data in by hitting the wind bearing button on the Impact itself or is that only able to be updated using the GB app which then feeds into the Impact?
 
Worked well at mammoth. Didn't lose zero and was definitely a huge help on UKD stages. I saw a lot of them there and you could see the difference it made with scoring hits.
 
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Is anyone moving one of these around different setups? It seems like the laser would be off if they didn’t share the same height over bore. Is my understanding correct?
 
tanders11 said:
Is anyone moving one of these around different setups? It seems like the laser would be off if they didn’t share the same height over bore. Is my understanding correct?
Click to expand...
Yea the laser would be “off”, but I don’t think the impact of vertical is practically important regardless of zero type (convergent vs parallel). Windage differences from system to system though could be an issue.

My understanding could be wrong, but the laser optical center is a fixed (not angular) distance from the scope’s optical center in a parallel zero. In a convergent zero, assuming a zero many hundreds of yards out, the optical center between the scope and laser decreases until your zero distance then increases in a directly opposite angle. So for instance in one system you might be 3” over scope center and diving boards can vary about ~1” between low and high. So long as your scope isn’t dialed up or down, what’s 1” at 8,9,1000 yards?
 
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TheOE800 said:
Yea the laser would be “off”, but I don’t think the impact of vertical is practically important regardless of zero type (convergent vs parallel). Windage differences from system to system though could be an issue.

My understanding could be wrong, but the laser optical center is a fixed (not angular) distance from the scope’s optical center in a parallel zero. In a convergent zero, assuming a zero many hundreds of yards out, the optical center between the scope and laser decreases until your zero distance then increases in a directly opposite angle. So for instance in one system you might be 3” over scope center and diving boards can vary about ~1” between low and high. So long as your scope isn’t dialed up or down, what’s 1” at 8,9,1000 yards?
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I think I would agree with TheOE here, is the difference enough to make a difference? What would be good is to use NV to confirm actual zero of the LRF unit at distance, then swap to different platforms using different height - so one scope/mount is setup at 1.5" from center of scope to center LRF, the other is 2" from center scope to center LRF and so forth. Sadly I sold all my cool NV gear a few years ago and haven't replenished yet, but I'm assuming plenty of night junkies out there could do this (@wigwamitus I'm thinking of you brother), and maybe already have done this...
 
tanders11 said:
Is anyone moving one of these around different setups? It seems like the laser would be off if they didn’t share the same height over bore. Is my understanding correct?
Click to expand...
Hello,
The short answer is yes, you will need to align the Impact to every different rifle/scope set up you put it on before using. This is for the same reasons you need to rezero your scope when you move it to a different rifle.
Since the riflescope reticle becomes your lrf aiming point you have to align the laser and reticle.

Hopefully I understood the question correctly and hope this helps.

V/R
Scott
 
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Scott_at_Vortex said:
Hello,
The short answer is yes, you will need to align the Impact to every different rifle/scope set up you put it on before using. This is for the same reasons you need to rezero your scope when you move it to a different rifle.
Since the riflescope reticle becomes your lrf aiming point you have to align the laser and reticle.

Hopefully I understood the question correctly and hope this helps.

V/R
Scott
Click to expand...
Just out of curiosity Scott, I've setup my Impact 4000 during the day and could not see the visible laser on paper targets for the life of me, so I've used the reflector, when using the reflector I noticed that there was quite a bit of tolerance (with up/down and left/right adjustments) where I would see the bright reflection as this big blob of light before it would begin to fade, how accurate is this method and should I instead wait until light levels get low to use the visible laser on paper as a better/more accurate method to zero my I4000? In using this method, if I find the I4000 is close to the measured dot (distance from center of scope to laser) between multiple platforms then wouldn't this indicate I am GTG? I also use my Fix it Sticks torque wrench when mounting the I4000 to the diving boards to obtain as repeatable mount as possible.
 
... I've setup my Impact 4000 during the day and could not see the visible laser on paper targets ...
Click to expand...

Try it at night with a 14, you'll be able to see out to 400yds easy, and beyond. That's how I do it !

(I work during the day, so most of my shootin is a night :) )
 
Glassaholic said:
Just out of curiosity Scott, I've setup my Impact 4000 during the day and could not see the visible laser on paper targets for the life of me, so I've used the reflector, when using the reflector I noticed that there was quite a bit of tolerance (with up/down and left/right adjustments) where I would see the bright reflection as this big blob of light before it would begin to fade, how accurate is this method and should I instead wait until light levels get low to use the visible laser on paper as a better/more accurate method to zero my I4000? In using this method, if I find the I4000 is close to the measured dot (distance from center of scope to laser) between multiple platforms then wouldn't this indicate I am GTG? I also use my Fix it Sticks torque wrench when mounting the I4000 to the diving boards to obtain as repeatable mount as possible.
Click to expand...
It'll get the job done, but I prefer to align out at 1k or beyond. In low light(just after dusk) you can see the vis laser well beyond 1k on white targets.

As far as switching the impact to different platforms goes. You will need to realign the impacts laser to the new scope/rifle zero. The diving board to scope offset has very little to do with this.

Hope that helps.
 
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I also zero my impact' at dusk on a distant tree (something fairly flat that you can make as measurement off).

Am much more confident in field measurement results having zero'd the visible laser at night 300-500m away than using the reflective dot on a target at 100m. The visible laser is quite large at 500m so, be mindful of that.
 
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