Ideal for amateur astronomers, students, educators, photographers, and astronomy enthusiasts who seek to enhances their observations and captures detailed astrophotography unparalleled and Precisions with this 2 Inch Top Reflect, featuring a robusts all metal construction and 99% reflectivity for best astronomical observations Its Small and lightweight design makes it easy to transport, allowing you to enjoy the wonders of universe from virtually any where with your compatible 2 inch Perfect for use in various setting such as outdoor skywatching, professional astronomical research at observatories, educational activity, and even family backyard astronomy night designs with a 90 degree viewing Angles, this Top Reflect ensures comfortable long terms observation by reducing neck strain, while its optical Reflect minimizes light loss for bright, clear picture