Optical System: DIN Optical System, f=160mm, Anti-Mold
Viewing Head: Binocular; Inclined 45° and rotatable 360°; Single diopter adjustment 55-72mm; Interpupillary distance adjustment 48-75mm
Eyepieces: WF10x/18.5mm field of view; a pointer is standard in one eyepiece; eyepieces are locked-in to prevent classroom tampering and accept 19mm reticles
Nosepiece: Rear facing, quadruple, ball bearing with positive click stops to ensure parcentration