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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Thumbs down on Leupold MK 4
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<blockquote data-quote="Clark" data-source="post: 364951" data-attributes="member: 6600"><p>I set up on a bench looking at details of a hillside of houses 2 miles away to compare </p><p>a) Leupold Mark 4 8.5x25x50 LR/T 56090</p><p>b) IOR 2.5x10x42</p><p></p><p>I put the IOR on 10X and got the best resolution I could with just the eyepiece to adjust.</p><p>I put the Leupold in ~10X [going back and forth looking at both scopes until they seemed the same magnification] and got the best resolution I could with the eyepiece and the side focus to adjust.</p><p></p><p>The IOR was better.</p><p>So I cranked up the power on the Leupold until the resolution on the decking material of those houses was the same.</p><p>It was ~12X, scaling off the power ring markings for [magnification/rotation] gain and assuming the Leupold had started at 10X.</p><p></p><p>Only when I go back and forth with the scopes on the same object can I see a difference. The memory of such small resolution discrimination does not last more than a second or two in my brain.</p><p></p><p>Is the Mark 4 as good as the IOR?</p><p>No.</p><p>Is the Mark 4 usable?</p><p>Yes.</p><p></p><p>Is the Super Sniper 20X usable?</p><p>No.</p><p>Is the Bushnell 3200 4x12x40 usable?</p><p>No.</p><p></p><p></p><p>How low WILL I go?</p><p>I have shot (8) deer in the last (2) years between 329 and 510 yards with a Leupold VX1 2x7x33.</p></blockquote><p></p>
[QUOTE="Clark, post: 364951, member: 6600"] I set up on a bench looking at details of a hillside of houses 2 miles away to compare a) Leupold Mark 4 8.5x25x50 LR/T 56090 b) IOR 2.5x10x42 I put the IOR on 10X and got the best resolution I could with just the eyepiece to adjust. I put the Leupold in ~10X [going back and forth looking at both scopes until they seemed the same magnification] and got the best resolution I could with the eyepiece and the side focus to adjust. The IOR was better. So I cranked up the power on the Leupold until the resolution on the decking material of those houses was the same. It was ~12X, scaling off the power ring markings for [magnification/rotation] gain and assuming the Leupold had started at 10X. Only when I go back and forth with the scopes on the same object can I see a difference. The memory of such small resolution discrimination does not last more than a second or two in my brain. Is the Mark 4 as good as the IOR? No. Is the Mark 4 usable? Yes. Is the Super Sniper 20X usable? No. Is the Bushnell 3200 4x12x40 usable? No. How low WILL I go? I have shot (8) deer in the last (2) years between 329 and 510 yards with a Leupold VX1 2x7x33. [/QUOTE]
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Thumbs down on Leupold MK 4
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