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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Measured Parallax Error in Hunting Scopes
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<blockquote data-quote="MrMauser" data-source="post: 847329" data-attributes="member: 70926"><p>Thanks for the replies! The literature implies that the parallax error from the equation is measured from the optical axis and is half of the total error. The observations I made were from one extreme to the other. I will make an attempt this weekend to try and see where the focal point of these scopes are. By working the formula backwards it seems that a 40mm scope would have to be parallax free at around 50 yards to match what I am seeing at 300. The two scopes with the lowest error would seem to be parallax free at around 125-135 yards. If anyone out there has a 3-9x40 Zeiss Conquest I would really like to hear if they can make any similar observations. And yes it was blazing hot here in southeast Texas and will still be this weekend, unfortunately.</p></blockquote><p></p>
[QUOTE="MrMauser, post: 847329, member: 70926"] Thanks for the replies! The literature implies that the parallax error from the equation is measured from the optical axis and is half of the total error. The observations I made were from one extreme to the other. I will make an attempt this weekend to try and see where the focal point of these scopes are. By working the formula backwards it seems that a 40mm scope would have to be parallax free at around 50 yards to match what I am seeing at 300. The two scopes with the lowest error would seem to be parallax free at around 125-135 yards. If anyone out there has a 3-9x40 Zeiss Conquest I would really like to hear if they can make any similar observations. And yes it was blazing hot here in southeast Texas and will still be this weekend, unfortunately. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Measured Parallax Error in Hunting Scopes
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