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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Scope field evaluations on rokslide
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<blockquote data-quote="mudflap621" data-source="post: 2978471" data-attributes="member: 116958"><p>You could be right and it not of been parallax but I think your underestimating the effects of parallax at 100 yards as well. </p><p></p><p>It was just an observation as the groups look exactly the same albeit one being wider. Here's just some random inputs but theres a 1/2" error @ 100 yards not even considering any other factors. </p><p></p><p><strong>Results using your inputs (below):</strong></p><p>50mm Objective lens and 200-yard fixed parallax setting</p><p></p><div style="text-align: center"> <table style='width: 100%'><tr><td><div style="text-align: center"><strong>Range<br /> (yards)</strong></div> </td><td><div style="text-align: center"><strong>Error<br /> (mm)</strong></div> </td><td><div style="text-align: center"><strong>Error<br /> (mil)</strong></div> </td><td><div style="text-align: center"><strong>Error<br /> (inches)</strong></div> </td><td><div style="text-align: center"><strong>Error<br /> (moa)</strong></div> </td></tr><tr><td><div style="text-align: center">100</div> </td><td><div style="text-align: center">12.500</div> </td><td><div style="text-align: center">0.137</div> </td><td><div style="text-align: center">0.492</div> </td><td><div style="text-align: center">0.470</div> </td></tr><tr><td><div style="text-align: center">200</div> </td><td><div style="text-align: center">0.000</div> </td><td><div style="text-align: center">0.000</div> </td><td><div style="text-align: center">0.000</div> </td><td><div style="text-align: center">0.000</div> </td></tr><tr><td><div style="text-align: center">300</div> </td><td><div style="text-align: center">12.500</div> </td><td><div style="text-align: center">0.046</div> </td><td><div style="text-align: center">0.492</div> </td><td><div style="text-align: center">0.157</div> </td></tr><tr><td><div style="text-align: center">400</div> </td><td><div style="text-align: center">25.000</div> </td><td><div style="text-align: center">0.068</div> </td><td><div style="text-align: center">0.984</div> </td><td><div style="text-align: center">0.235</div> </td></tr><tr><td><div style="text-align: center">500</div> </td><td><div style="text-align: center">37.500</div> </td><td><div style="text-align: center">0.082</div> </td><td><div style="text-align: center">1.476</div> </td><td><div style="text-align: center">0.282</div> </td></tr><tr><td><div style="text-align: center">600</div> </td><td><div style="text-align: center">50.000</div> </td><td><div style="text-align: center">0.091</div> </td><td><div style="text-align: center">1.969</div> </td><td><div style="text-align: center">0.313</div> </td></tr><tr><td><div style="text-align: center">700</div> </td><td><div style="text-align: center">62.500</div> </td><td><div style="text-align: center">0.098</div> </td><td><div style="text-align: center">2.461</div> </td><td><div style="text-align: center">0.336</div> </td></tr><tr><td><div style="text-align: center">800</div> </td><td><div style="text-align: center">75.000</div> </td><td><div style="text-align: center">0.103</div> </td><td><div style="text-align: center">2.953</div> </td><td><div style="text-align: center">0.353</div> </td></tr><tr><td><div style="text-align: center">900</div> </td><td><div style="text-align: center">87.500</div> </td><td><div style="text-align: center">0.106</div> </td><td><div style="text-align: center">3.445</div> </td><td><div style="text-align: center">0.366</div> </td></tr><tr><td><div style="text-align: center">1000</div> </td><td><div style="text-align: center">100.000</div> </td><td><div style="text-align: center">0.109</div> </td><td><div style="text-align: center">3.937</div> </td><td><div style="text-align: center">0.376</div> </td></tr></table> </div></blockquote><p></p>
[QUOTE="mudflap621, post: 2978471, member: 116958"] You could be right and it not of been parallax but I think your underestimating the effects of parallax at 100 yards as well. It was just an observation as the groups look exactly the same albeit one being wider. Here’s just some random inputs but theres a 1/2” error @ 100 yards not even considering any other factors. [B]Results using your inputs (below):[/B] 50mm Objective lens and 200-yard fixed parallax setting [CENTER][TABLE] [TR] [TD][CENTER][B]Range (yards)[/B][/CENTER][/TD] [TD][CENTER][B]Error (mm)[/B][/CENTER][/TD] [TD][CENTER][B]Error (mil)[/B][/CENTER][/TD] [TD][CENTER][B]Error (inches)[/B][/CENTER][/TD] [TD][CENTER][B]Error (moa)[/B][/CENTER][/TD] [/TR] [TR] [TD][CENTER]100[/CENTER][/TD] [TD][CENTER]12.500[/CENTER][/TD] [TD][CENTER]0.137[/CENTER][/TD] [TD][CENTER]0.492[/CENTER][/TD] [TD][CENTER]0.470[/CENTER][/TD] [/TR] [TR] [TD][CENTER]200[/CENTER][/TD] [TD][CENTER]0.000[/CENTER][/TD] [TD][CENTER]0.000[/CENTER][/TD] [TD][CENTER]0.000[/CENTER][/TD] [TD][CENTER]0.000[/CENTER][/TD] [/TR] [TR] [TD][CENTER]300[/CENTER][/TD] [TD][CENTER]12.500[/CENTER][/TD] [TD][CENTER]0.046[/CENTER][/TD] [TD][CENTER]0.492[/CENTER][/TD] [TD][CENTER]0.157[/CENTER][/TD] [/TR] [TR] [TD][CENTER]400[/CENTER][/TD] [TD][CENTER]25.000[/CENTER][/TD] [TD][CENTER]0.068[/CENTER][/TD] [TD][CENTER]0.984[/CENTER][/TD] [TD][CENTER]0.235[/CENTER][/TD] [/TR] [TR] [TD][CENTER]500[/CENTER][/TD] [TD][CENTER]37.500[/CENTER][/TD] [TD][CENTER]0.082[/CENTER][/TD] [TD][CENTER]1.476[/CENTER][/TD] [TD][CENTER]0.282[/CENTER][/TD] [/TR] [TR] [TD][CENTER]600[/CENTER][/TD] [TD][CENTER]50.000[/CENTER][/TD] [TD][CENTER]0.091[/CENTER][/TD] [TD][CENTER]1.969[/CENTER][/TD] [TD][CENTER]0.313[/CENTER][/TD] [/TR] [TR] [TD][CENTER]700[/CENTER][/TD] [TD][CENTER]62.500[/CENTER][/TD] [TD][CENTER]0.098[/CENTER][/TD] [TD][CENTER]2.461[/CENTER][/TD] [TD][CENTER]0.336[/CENTER][/TD] [/TR] [TR] [TD][CENTER]800[/CENTER][/TD] [TD][CENTER]75.000[/CENTER][/TD] [TD][CENTER]0.103[/CENTER][/TD] [TD][CENTER]2.953[/CENTER][/TD] [TD][CENTER]0.353[/CENTER][/TD] [/TR] [TR] [TD][CENTER]900[/CENTER][/TD] [TD][CENTER]87.500[/CENTER][/TD] [TD][CENTER]0.106[/CENTER][/TD] [TD][CENTER]3.445[/CENTER][/TD] [TD][CENTER]0.366[/CENTER][/TD] [/TR] [TR] [TD][CENTER]1000[/CENTER][/TD] [TD][CENTER]100.000[/CENTER][/TD] [TD][CENTER]0.109[/CENTER][/TD] [TD][CENTER]3.937[/CENTER][/TD] [TD][CENTER]0.376[/CENTER][/TD] [/TR] [/TABLE][/CENTER] [/QUOTE]
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