This entry-level APO refractor features high-grade glass and quality components. Coupled with a medium f/7.5 focal ratio, the ED “S” series provide a sharp, color-free image of high contrast. At only 22.4, this is our ultimate grab-n-go APO travel scope. OTA includes giant 9x50mm finder, large 60mm drawtube with a 2 eyepiece adapter and Crayford focuser with tension/lock adjustment.