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Long Range Hunting & Shooting
Why and how come
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<blockquote data-quote="KYpatriot" data-source="post: 1022311" data-attributes="member: 48028"><p>Also, if you do a tall target test and find that the scope is consistent, in other words it returns to zero each time and moves the same amount when you dial you can still use it effectively even if it isn't dialing what you ask. If you find that the error in the clicks is consistent just apply a correction factor. </p><p></p><p>For example, if you find that eveytime you dial 20in of elevation you really get 23, and it does this every time, then you are good to go. You just divide 20 by 23, giving you a correction factor of 0.869. Again, just take what you dialed and divide it by what it really gave you, and that's the correction factor.</p><p></p><p>Then, set up your ballistic program with your real velocity and BC just like you would if the scope were perfect. When you go shooting and use the app to calculate your elevation for the shot you take the number it spits out and then correct it with the correction factor. Using the previous example you'd take the correction factor of 0.869 and multiply it by the elevation the app suggests. Some apps even allow you to input a correction factor into the program so it accounts for this scope error automatically. </p><p></p><p>Remember this only works obviously if the error is repeatable. In many scopes it is, and even some high end scopes will exhibit some of this. The main thing is repeatability.</p></blockquote><p></p>
[QUOTE="KYpatriot, post: 1022311, member: 48028"] Also, if you do a tall target test and find that the scope is consistent, in other words it returns to zero each time and moves the same amount when you dial you can still use it effectively even if it isn't dialing what you ask. If you find that the error in the clicks is consistent just apply a correction factor. For example, if you find that eveytime you dial 20in of elevation you really get 23, and it does this every time, then you are good to go. You just divide 20 by 23, giving you a correction factor of 0.869. Again, just take what you dialed and divide it by what it really gave you, and that's the correction factor. Then, set up your ballistic program with your real velocity and BC just like you would if the scope were perfect. When you go shooting and use the app to calculate your elevation for the shot you take the number it spits out and then correct it with the correction factor. Using the previous example you'd take the correction factor of 0.869 and multiply it by the elevation the app suggests. Some apps even allow you to input a correction factor into the program so it accounts for this scope error automatically. Remember this only works obviously if the error is repeatable. In many scopes it is, and even some high end scopes will exhibit some of this. The main thing is repeatability. [/QUOTE]
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