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Hunting
Long Range Hunting & Shooting
"True Ballistic Range" with Leupold rangefinder
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<blockquote data-quote="Bob33" data-source="post: 304640" data-attributes="member: 10662"><p>I just purchased a Leupold rangefinder that computes the "True Ballistic Range" to a target, based on the angle. It appears to understate the correction necessary.</p><p> </p><p>The manual gives an example: 400 yards at an angle of 30 degrees uphill equates to a true ballistic range of 367 yards.</p><p> </p><p>I've been taught that the horizontal distance to a target is what matters, and that can be computed as the line-of-sight distance times the cosine of the angle. Using that approach, the horizontal distance is 346 yards.</p><p> </p><p>Can someone please point me in a direction to better understand how the distance when shooting at an angle should be computed? Is the Leupold algorithm correct?</p></blockquote><p></p>
[QUOTE="Bob33, post: 304640, member: 10662"] I just purchased a Leupold rangefinder that computes the "True Ballistic Range" to a target, based on the angle. It appears to understate the correction necessary. The manual gives an example: 400 yards at an angle of 30 degrees uphill equates to a true ballistic range of 367 yards. I've been taught that the horizontal distance to a target is what matters, and that can be computed as the line-of-sight distance times the cosine of the angle. Using that approach, the horizontal distance is 346 yards. Can someone please point me in a direction to better understand how the distance when shooting at an angle should be computed? Is the Leupold algorithm correct? [/QUOTE]
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"True Ballistic Range" with Leupold rangefinder
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