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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Leatherwood uni-dial scope
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<blockquote data-quote="Bob the nailer" data-source="post: 549470" data-attributes="member: 21885"><p>Thought you might be interested in a tech. view of the Leatherwood mechanics. This was posted over at <a href="http://www.swfa.com" target="_blank">www.swfa.com</a> in optics talk.</p><p> </p><p><img src="http://www.opticstalk.com/forum_images/post_options.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Post Options <a href="http://www.opticstalk.com/new_reply_form.asp?TID=28166&PN=1&TR=9" target="_blank">Post Reply</a></p><p><a href="http://www.opticstalk.com/new_reply_form.asp?TID=28166&PN=1&TR=9" target="_blank"></a><a href="http://www.opticstalk.com/new_reply_form.asp?M=Q&PID=434191&PN=1&TR=9" target="_blank">Quote IRON MIKE</a></p><p><a href="http://www.opticstalk.com/new_reply_form.asp?M=Q&PID=434191&PN=1&TR=9" target="_blank"></a><a href="http://www.opticstalk.com/report_post.asp?PID=434191&FID=23&TID=28166&PN=1" target="_blank">Report Post</a></p><p><a href="http://www.opticstalk.com/report_post.asp?PID=434191&FID=23&TID=28166&PN=1" target="_blank"></a></p><p><img src="http://www.opticstalk.com/forum_images/quote.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /> <a href="http://www.opticstalk.com/new_reply_form.asp?M=Q&PID=434191&PN=1&TR=9" target="_blank">Quote</a> <img src="http://www.opticstalk.com/forum_images/reply.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /><a href="http://www.opticstalk.com/new_reply_form.asp?PID=434191&PN=1&TR=9" target="_blank">Reply</a> <a href="http://www.opticstalk.com/forum_posts.asp?TID=28166&PID=434191&title=leatherwood-unidial-scope-test#434191" target="_blank"><img src="http://www.opticstalk.com/forum_images/bullet.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a> Posted: September/20/2011 at 22:51 When a variable scope changes zero after a power change this is called optical shift. it is of course unaceptable. this is because the reticle is not set in the center of the optical axis. this can only be done by the factory or a trained technician. over the years I have inspected many brands of rifle scopes to see how much optical shift they may have and you would be amazed at how many do if even the smallest amount. For example a 3x9x scope that is zeroed at 9x then is turned to 3x looses its zero slightly or a great deal because the reticle is off axis. When the scop is zeroed at 9x and then you turn it to 3x or anything in between the scope stays zeroed then the reticle is set to the center of the optical axis and is optiacally centered. at Iron Sight Inc great care is taken to make sure all variable rifle and pistol scope reticles are set to optical center befor they leave. I have checked many of Leatherwood High Lux scopes and every one is optically centerd out of the box I have never found to have this adverse affect.</p></blockquote><p></p>
[QUOTE="Bob the nailer, post: 549470, member: 21885"] Thought you might be interested in a tech. view of the Leatherwood mechanics. This was posted over at [URL="http://www.swfa.com"]www.swfa.com[/URL] in optics talk. [IMG]http://www.opticstalk.com/forum_images/post_options.png[/IMG] Post Options [URL="http://www.opticstalk.com/new_reply_form.asp?TID=28166&PN=1&TR=9"]Post Reply [/URL][URL="http://www.opticstalk.com/new_reply_form.asp?M=Q&PID=434191&PN=1&TR=9"]Quote IRON MIKE [/URL][URL="http://www.opticstalk.com/report_post.asp?PID=434191&FID=23&TID=28166&PN=1"]Report Post [/URL] [IMG]http://www.opticstalk.com/forum_images/quote.png[/IMG] [URL="http://www.opticstalk.com/new_reply_form.asp?M=Q&PID=434191&PN=1&TR=9"]Quote[/URL] [IMG]http://www.opticstalk.com/forum_images/reply.png[/IMG][URL="http://www.opticstalk.com/new_reply_form.asp?PID=434191&PN=1&TR=9"]Reply[/URL] [URL="http://www.opticstalk.com/forum_posts.asp?TID=28166&PID=434191&title=leatherwood-unidial-scope-test#434191"][IMG]http://www.opticstalk.com/forum_images/bullet.png[/IMG][/URL] Posted: September/20/2011 at 22:51 When a variable scope changes zero after a power change this is called optical shift. it is of course unaceptable. this is because the reticle is not set in the center of the optical axis. this can only be done by the factory or a trained technician. over the years I have inspected many brands of rifle scopes to see how much optical shift they may have and you would be amazed at how many do if even the smallest amount. For example a 3x9x scope that is zeroed at 9x then is turned to 3x looses its zero slightly or a great deal because the reticle is off axis. When the scop is zeroed at 9x and then you turn it to 3x or anything in between the scope stays zeroed then the reticle is set to the center of the optical axis and is optiacally centered. at Iron Sight Inc great care is taken to make sure all variable rifle and pistol scope reticles are set to optical center befor they leave. I have checked many of Leatherwood High Lux scopes and every one is optically centerd out of the box I have never found to have this adverse affect. [/QUOTE]
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Leatherwood uni-dial scope
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