[30X Power Magnification] This pocket magnifying glass provides ultra-clear, distortion-free viewing for jewelry, gemstones, coins, stamps, and intricate details with triplet lens technology [No Battery needed] Non-electric design with ergonomic focus adjustment for comfortable, glare-free inspection-perfect for extended use. [ & Portable] Sturdy metal housing fits in pockets [Premium Triplet Lens] This loupe magnifier features high quality triplet lens ensuring for edge-to-edge clarity without chromatic aberration or blurring, ideal for professional jewelers and hobbyists A Gift for both hobbyists and professionals. Great gift for gemologists, watchmakers, or collectors