This advanced microscope is equipped with the most popular features and offers a choice of heads to fit various needs and budgets. The cool fluorescent lighting provides white light with little heat and longer bulb life. Features: Inclined binocular head, rotatable 360 degrees; Paired 10X widefield eyepieces with graduated diopter adjustment; 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; Size: 6 1/2" x 8" x 14 1/2" H, N.W.: 9 lbs. CE certified.