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<p>[QUOTE="dougsmit, post: 4226546, member: 19463"]Reversing the lens loses the electrical connections of the camera that controls aperture. I suggest accessory extension tubes which have the electrical connections and come in sets of three giving different magnification ranges, Only the shortest one will be of use with the 18-55 but you can use more with the long lens and shoot from farther back avoiding shadowing the coin. Canon makes these tubes but they are expensive. The cheap $15 ones work just as well but won't take as much abuse due to lighter build. There is no glass in tubes so you lose no quality that way. Be sure you select the EF-EFS mount tubes which fit your DSLR camera rather than the M series ones that fit Canon's mirrorless bodies. </p><p><a href="https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=canon+auto+tubes&_sacat=625" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=canon+auto+tubes&_sacat=625" rel="nofollow">https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=canon+auto+tubes&_sacat=625</a></p><p>Tubes are D in the image below. This rig is overkill for what you want. Start simple and experiment.</p><p><img src="https://a4.pbase.com/o10/88/582688/1/165937167.5vdchWyt.00rigcombo900.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="dougsmit, post: 4226546, member: 19463"]Reversing the lens loses the electrical connections of the camera that controls aperture. I suggest accessory extension tubes which have the electrical connections and come in sets of three giving different magnification ranges, Only the shortest one will be of use with the 18-55 but you can use more with the long lens and shoot from farther back avoiding shadowing the coin. Canon makes these tubes but they are expensive. The cheap $15 ones work just as well but won't take as much abuse due to lighter build. There is no glass in tubes so you lose no quality that way. Be sure you select the EF-EFS mount tubes which fit your DSLR camera rather than the M series ones that fit Canon's mirrorless bodies. [URL]https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=canon+auto+tubes&_sacat=625[/URL] Tubes are D in the image below. This rig is overkill for what you want. Start simple and experiment. [IMG]https://a4.pbase.com/o10/88/582688/1/165937167.5vdchWyt.00rigcombo900.jpg[/IMG][/QUOTE]
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