Lens magnification 30X 60X Magnifier length is 90mm Specifications :Lens is 20mm across Features :Real glass lens Compact and lightweight A LED white magnifier A purple LED magnifying glass For results in seeing close up, try and use the magnifier in good quality light. If possible natural daylight is or a good lamp with a daylight bulb. This magnifying glass can be used for close inspection of articles such maps, circuit boards, hallmarks, stamps, and so on and is ideal for coin collectors, hobbyists and so on. Pocket magnifiers are convenient tools for people with low vision. Because this Magnifier is small, lightweight and portable, it can slip easily into a purse, a pocket, or a backpack. The products of our store will be carefully selected before delivery and then delivered to you.If you have any questions, please feel free to contact us. We will usually reply to any message you send within 3 hours or no more than 8 hours.Streamlined Ergonomically Design -- It is light with sound size (Height: 115mm Width: 22mm) easier to hold and more comfortable in your hand. Suitable for seniors, hobbyists, and professionals including jewelers, geologists, coin and stamp collectors, etc. Guarantee High Clarity -- for examining fine details in documents, jewelry, coins, stamps, electronic parts, currency, film negatives, and even photographs and dental. Multipurpose Light -- 2 LED Light for magnification, 1 UV black light for counterfeit detection, and 1 LED light dedicated to the loupe. Crystal Clear Visuals: Enhance every fine detail for when reading books, newspapers, maps, appreciating jewelries or making handicrafts. Multiple Functions - The 3X big magnifying lens for reading, 30X auxiliary lens for finer details, and 60X jewelry loupe with adjustable focus for examination of objects close-up, like a low-power microscope.