Description: 
                        
                            {"Screen diameter": "600 mm", "Amplifications:": "", "10": "x", "20": "x", "50": "x", "100": "x", "Change of objective with:": "", "turret": "", "Lighting:": "", "Diascopy lighting": "", "episcopy": "", "Voltage     50 Hz      3x": "220 Volt", "Machi...