Carson LumiLoupe Plus 6X Power, 11.5X Power or 17.5X Power Focusable Stand Loupe Magnifiers (LO-06, LO-10, LL-15) 11.5x Power Magnification with Dual Lens Focusing Knob | Item Dimensions (LxWxH): 3.0 inch x 3.0 inch x 2.25 inch Contains Dual Lens Element For Higher Magnification And Less Distortion | Lens Diameter: 1.0 inch Great For Examining Intricate Details For Film Negatives, Coins, Currency, Stamps, Jewelry, Stones, Printing, Photography, Miniatures, etc Focusing Ability Allows Users To Achieve A Super Sharp Image At Multiple Distances Backed by Carson's Limited Lifetime Warranty