Any rangefinders calculate airgun holdover based on distance and angle?

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wahoowad

wahoowad

Member
Nov 4, 2016
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Virginia, United States
My older Leupold rangefinder is a decade old but still great at getting me the distance, but I then have to enter that into iStrelok and also hold iStrelok up to get the shooting angle (when shooting up at pigeons or squirrels). Do any of the modern rangefinders let me pre-enter the ballistics for one or more of my airguns and then instantly give me the drop or click for the shot?
 
The ATN Rangefinder has Bluetooth connectivity to their phone app which is a complete ballistics calculator. Once you enter your bullet data and/or scope data it will calculate clicks and/or holdover. You can even enter the wind speeds and get bullet drift too. This ATN Rangefinder can also connect to their 4K Pro scope (which has nightvision too) and automatically changes the reticle on their scope based on rangefinders info. Their scope has been "buggy" though. Lot's of freezing and focus problems. 
 
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Dont people do old school anymore or is it just my. I prefer setting targets at 30 yards, 40 yards, 50 yards etc. And actually go out and shoot it and know how much my gun is dropping and know where to hold over at certain yards. So all I need is range the target and look at my cheat sheet or just remember it and know where to aim. I never trust these chairgun or whatever apps. Cause each gun, barrell, twist rate, etc is different. How would a app tell you where exactly your marauder is hitting, exactly where you airforce is hitting, where your fx gun is hitting. Etc. Each gun is different and just relying on input in a calculator on fps, weight, distance, wind, etc. Its just a estimate. I rather go out and test where my gun is actually hitting at certain yards for each gun.
 
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Dont people do old school anymore or is it just my. I prefer setting targets at 30 yards, 40 yards, 50 yards etc. And actually go out and shoot it and know how much my gun is dropping and know where to hold over at certain yards. So all I need is range the target and look at my cheat sheet or just remember it and know where to aim. I never trust these chairgun or whatever apps. Cause each gun, barrell, twist rate, etc is different. How would a app tell you where exactly your marauder is hitting, exactly where you airforce is hitting, where your fx gun is hitting. Etc. Each gun is different and just relying on input in a calculator on fps, weight, distance, wind, etc. Its just a estimate. I rather go out and test where my gun is actually hitting at certain yards for each gun.
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You're kinda right. Often a ballistic app must be trued out using actual drop's confirmed on paper, but once that's done the dope the app gives is either right on at farther distances(way out there for a pellet rifle), or very close to it. 

There's also the station pressure aspect that must be considered. For instance going from 7000ft down to 1500ft elevation both my 30Y zero and my dope changes. If I weren't to rezero and adjust for the thicker air the app accounts for, I'd be .3-.4 mils low by 55Y.

Also the slope angle and wind drift which the app helps with. Quick question for you - if you had to aim up 30 degrees and the wind was blowing 15mph how would you know where to aim??? Give me 20 seconds for any of my guns in my app and I can tell you.
 
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The Bozily golf rangefinders I just reviewed above are accurate from 1-20 yards and out to 900 on big reflective surface, 600 on houses. 
It tells you up & down angle to 45* adding distances for golf/high drag & subtraction distances if shooting down like in a tree stand. 
45* is usually thought of as furthest angle. In a vacuum true but in long range arrow shoot competition it’s much less. 
These Bozily have straight linear distance, ARC angle compensated. Actual height of target, and speed of object for NASCAR fans.

Edit: Important here. It’s calibration is for high drag golf balls and drivers that send balls at 10-12*. I didn’t understand that it added yardage at distances when shooting up, but decreased when angled down. 
These rangefinders are VERY helpful IF you’re shooting pellets past 100 yards or say in a tree stand Archery hunting. I send JSB 18.13’s out 190-200 yards with 10-12’ of drop but it’s a 3-4* up slope field so the 200 yard target is actually higher than I and airgun to start. 

 
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Dont people do old school anymore or is it just my. I prefer setting targets at 30 yards, 40 yards, 50 yards etc. And actually go out and shoot it and know how much my gun is dropping and know where to hold over at certain yards. So all I need is range the target and look at my cheat sheet or just remember it and know where to aim. I never trust these chairgun or whatever apps. Cause each gun, barrell, twist rate, etc is different. How would a app tell you where exactly your marauder is hitting, exactly where you airforce is hitting, where your fx gun is hitting. Etc. Each gun is different and just relying on input in a calculator on fps, weight, distance, wind, etc. Its just a estimate. I rather go out and test where my gun is actually hitting at certain yards for each gun.
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PigeonMan,

I like to do it that way also. Know the dope of what grain slug or pellets shooting from 50 - 100 or whatever range you’re shooting🤙🏼


 
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Yes my rangefinder does this as well (calculates angle trajectory and gives you an adjusted distance to compensate) My range finder calls it angle intelligence.



It has a mode that you can disable this as well...which is nice for just raw distance readings...its nothing special but I shopped around for a compromise in both bargain and functionality/features.



Also, my rangefinder came with a lithium ion rechargeable battery that I happened to already have a charger for...which is a huge plus!



https://www.halooptics.com/xl450



*edit* just realized this thread is a necro from 2019. Wooo!


 
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