The TV-36 TriView Magnifier from Carson Optical is a compact, portable folding loupe Magnifier with power ranging from 3x-9x power magnification. Each lens contains 3x power magnification. Combine two lenses together to make 6x power magnification, or three to make 9x power. The TriView Magnifier is lightweight, portable and comes in its own protective case. 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.