The VersaLoupe from Carson is a 10x power focusable dual lens stand loupe magnifier. Simply twist the focusing ring on the eyepiece in order to get your subject in focus. The VersaLoupe stand loupes are available in a single pack (LH-30) and a set of 10 (LH-30MU). The internal optics contain dual acrylic crystal clear lenses that provide ultra precise image quality. The VersaLoupe stand loupe magnifier is great for multiple hobbys, crafts and tasks. It is perfect for viewing stamps, coins, photography and so much more. At Carson, we strive to make sure our customers are 100% satisfied with the quality of our magnifiers. We are so confident in our magnifiers that we back them with a lifetime limited warranty! Carson will repair or replace your magnifier if it is found to have manufacturing defects in materials or workmanship. Please contact Carson for additional warranty details.