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Question about parallax |
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tpcollins
Optics Journeyman Joined: January/12/2009 Status: Offline Points: 428 |
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Posted: July/27/2015 at 10:48 |
I have a reasonable understanding of parallax but I would like to understand it better. For example, which would show the most movement (or error) - a scope with a 75 yard parallax targeting a 30 yard target, or a scope with a 30 yard parallax targeting a 75 yard target? Thanks.
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billyburl2
Optics Master Extraordinaire Joined: January/08/2009 Location: Cottonwood, AZ Status: Offline Points: 4015 |
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The most error is going to be shown with the scope set at 75 years and the target at 30. As the target gets further away, other things become the limiting factors.
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If it is tourist season, why can't we shoot them?
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Gerry Atric
Optics Journeyman Joined: April/21/2011 Location: Sweden Status: Offline Points: 340 |
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If you want the full maths/physics: http://rimfirebenchrest.com/articles/parallax.html (You may have to copy/paste that link to your browser) Gerry Atric
Edited by Gerry Atric - July/27/2015 at 12:33 |
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billyburl2
Optics Master Extraordinaire Joined: January/08/2009 Location: Cottonwood, AZ Status: Offline Points: 4015 |
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That is a very informative article, Gerry.
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If it is tourist season, why can't we shoot them?
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Gerry Atric
Optics Journeyman Joined: April/21/2011 Location: Sweden Status: Offline Points: 340 |
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I got a headache the first time I read it, but then again for me it´s a translation involved. If one dissect only the passus of interest it´s easier. I wish I´d read that info before I adjusted my first scope for parallax, nervously screwing the front-lens in and out, "I got it right but I didn´t know exactly why." Then again - That´s the story of my life and a nice epitaph Gerry Atric
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