***** **********Best Quality Guranteed. *****Fully Multi-Coated for enhanced light transmission*****BaK-4 Prisms with High Reflectivity and Vivid Colors*****NexYZ connects your smartphone to your telescope, spotting scope, binocular, monocular, and microscope so you can capture images and video through the eyepiece. *****Works with a wide range of mobile phone models, including all the latest devices from Samsung, Google, and Apple.