The TS Optics Imaging Star 100mm is a specialized quadruplet refractor telescope designed exclusively for high-demand astrophotography. It features a built-in field flattener that ensures a flat image across the entire sensor, eliminating the need for additional equipment. With optical elements made of FPL-53 glass, it provides crystal-clear sharpness and zero chromatic aberration. It is a sturdy and high-quality construction, ideal for capturing faint nebulae and galaxies with excellent detail.