1.Connects your smartphone to your telescope, spotting scope, binocular, monocular, and microscope so you can capture images and video through the eyepiece. 2.stands up to rigorous field use thanks to its robust, durable construction with a Metal frame and Polymer body. 3.Professional and practical design with beautiful appearance, easy to carry and use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.