----------------------------------- nobody 16 Dec 2015 21:42 ----------------------------------- Vedeti si aici niste solutii (si probleme): - clasice: • Kutter schiefspiegler • Catadioptric schiefspiegler • Schiefspiegler w/toroidal secondary • Leonard's Yolo • Alternatives w/concave toroidal secondary http://www.telescope-optics.net/tilted_component_telescopes.htm - moderne: • Jones' Chief • Herrig • Off-axis Mersenne • Stevick-Paul http://www.telescope-optics.net/TCT_2.htm