Carson MicroBrite Plus LED Lighted Pocket Microscope The MicroBrite Plus is a portable microscope with an impressive 60x - 120x magnification range. It is simple and easy for young students to use, making it an ideal introductory microscope, yet its compact design and optical clarity make it a great field microscope for professionals and hobbyists as well. Check up on your plants, look at microscopic wildlife from a nearby pond or take a peek at each individual pixel on your smartphone screen; everyday objects become amazing discoveries with the MicroBrite Plus. Its lightweight build and pocket-sized design make it easy to take with you anywhere you go. Crystal Clear Viewing The LED illumination and high-quality optics ensure a clear, bright and crisp image. By utilizing an aspheric internal lens system, distortion is eliminated due to the unique shape of the lens. The MicroBrite Plus is powered by 1 AA battery (not included). Carson. Carson will repair or replace your pocket microscope if it is found to have manufacturing defects in the materials or workmanship. Please note that due to the extremely powerful magnification of this pocket microscope that the focal distance is very short. Therefore, you must hold the microscope directly over your subject for optimal viewing clarity. Begin at the lowest magnification (60x) and adjust the focus until you have a clear view, then increase your magnification to your desired level.