Trinocular viewing head, inclined 30° Viewing split 100% binocular, or 50% binocular / 50% trinocular Widefield 10x eyepieces with a 23 mm field of view Infinity LWD M plan achromat 5x, 10x, 20x objectives, Infinity LWD M Plan semi-Apo 50x objective Reversed quintuple nosepiece Interpupillary distance adjustment 54 mm to 75 mm Mechanical Stage (175 x 145 mm), 76 mm (X) x 42 mm (Y) movement range Slide holder not included Low position coaxial focusing system with tension adjustment Observation height of up to 30 mm 5-watt variable LED reflected illuminator with field and aperture diaphragm Condenser with swing-out top lens, condenser iris diaphragm, N.A