60 cm characteristic

General description of the 60 cm telescope

Optical configuration   : Classic Cassegrain
Mount type              : fork
                        : total diameter            64 cm
Main mirror             : useful diameter           62 cm
                        : curvature                 parabola 
                        : focal ratio               F/3.5
Secondary mirror        : total diameter            15 cm
                        : useful diameter           13.8 cm
Mirror distance         : 168.6 cm
Cassegrain Focus        : equivalent focal length   1200 cm
                        : equivalent focal ratio    F/20                 
                        : scale                     17 "/mm
                        : useful field              40 '