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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Burris Veracity 4-20 thoughts
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<blockquote data-quote="Barrelnut" data-source="post: 1530918" data-attributes="member: 74902"><p>- lens diameter divided by magnification = the exit pupil size of the scope.</p><p>- The bigger the scopes exit pupil the brighter the scope will be.</p><p>- Scope exit pupils that are smaller than the eye's exit pupil are not providing all of the light that the eye can use and will appear dim.</p><p>- Scope exit pupils larger than the max size of a dilated human eye will give more generous eye relief and offer a clearer picture with less eye strain.</p><p>- The human eye's pupil can dilate to a max of 7~8mm.</p><p></p><p>Veracity 4-20x50 - exit pupil = 12.5</p><p>VX5-HD 3-15x56 - exit pupil = 18.6</p><p>X6-HD 3-18x50 - exit pupil = 16.6</p><p></p><p>So, it seems all of the scopes would be more than adequate in low light. But the VX5-HD 3-15x56 would be the brightest with best eye relief.</p><p></p><p>The SB is in another ballpark:</p><p>Schmidt Bender 2.5-10x56 - exit pupil = 22.4</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 1530918, member: 74902"] - lens diameter divided by magnification = the exit pupil size of the scope. - The bigger the scopes exit pupil the brighter the scope will be. - Scope exit pupils that are smaller than the eye's exit pupil are not providing all of the light that the eye can use and will appear dim. - Scope exit pupils larger than the max size of a dilated human eye will give more generous eye relief and offer a clearer picture with less eye strain. - The human eye's pupil can dilate to a max of 7~8mm. Veracity 4-20x50 - exit pupil = 12.5 VX5-HD 3-15x56 - exit pupil = 18.6 X6-HD 3-18x50 - exit pupil = 16.6 So, it seems all of the scopes would be more than adequate in low light. But the VX5-HD 3-15x56 would be the brightest with best eye relief. The SB is in another ballpark: Schmidt Bender 2.5-10x56 - exit pupil = 22.4 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Burris Veracity 4-20 thoughts
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