Optical System Infinity Optical System
Eyepiece EW10x/22mm
Viewing Head Infinity Seidentopf Binocular Viewing Head, Inclined at 45°, Interpupillary 47-78mm
Infinity, Seidentopf Trinocular Viewing Head, Inclined at 30°,Interpupillary 47-78mm, Splitting ratio 50/50(100/0 or 0/100 is optional)