This advanced microscope is designed for 1-on-1 teaching or photography and has dual monocular heads and two 10X WF eyepieces, one with special scale pointer. The cool fluorescent lighting provides white light with little heat and longer bulb life. Features: Inclined binocular head, rotatable 360 degrees; DIN achromatic parfocal objectives 4X (N.A. 0.10), 10X (N.A. 0.25), 40XR (N.A. 0.65) and 100XR (oil immersion N.A. 1.25); 41/2" x 4 3/4" (110x120 mm) graduated mechanical stage; NA 1.25 substage spiral mount condenser with Iris diaphragm; Stage focus stop to protect objectives and slides; Separated coarse and fine focus control with slip clutch; Tension control adjustment on coarse focusing; 5W Fluorescent illuminator, spare bulb and dust cover; In-base control switch and 3-wire UL approved power cord; CE certified.