ISTR that the SR71 spyplane had large optics that had to loaded by a sled / fork truck and was capable of excellent resolution. See http://www.wvi.com/~sr71web

ISTR that the SR71 spyplane had large optics that had to loaded by a sled / fork truck and was capable of excellent resolution. See http://www.wvi.com/~sr71webmaster/sr_sensors_pg1.htm http://www.wvi.com/~sr71webmaster/sr_sensors_pg1.htm for example.