Carson DualView™ 3x Stand Loupe Magnifier, DV-30 is a 3x power stand Loupe with a 12x power focusing Loupe. This dual purpose Magnifier is great whether you need a high-powered Magnifier or a lower powered Magnifier. One of the loupes is focusable while the other is pre-focused. The DualView™ is great for all hobbies and craft uses.