AmScope SM05 0.5X Barlow Lens For SM Series Stereo Microscopes (48mm)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> 0.5X Barlow lens doubles working distance and field view of SM and/or SW series stereo microscopes， cutting magnification power by half and doubling working distance and field view of the microscopes. Mounting size: 1-7/8" (48mm) in diameter. </span></li><li><span class="a-list-item"> This lens comes with a 1-7/8" (48mm) mounting thread and goes with SM and SW series stereo microscopes. Its retail value is $180. </span></li><li><span class="a-list-item"> Mounting size: 1-7/8" (48mm) in diameter. </span></li><li><span class="a-list-item"> This lens comes with a 1-7/8" (48mm) mounting thread and goes with SM and SW series stereo microscopes. Its retail value is $180. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51aQJM5iL9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51hp0b7kHIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41E1YLv1yqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41uCgNFYdKL.jpg" noproxy>