Vision Scientific VME0009-RC Microscope, 40x &ndash; 1000x, LED Illumination with Intensity Control, Abbe Condenser, Mechanical Stage, Coarse and Fine Focus, 110V or Cordless Rechargeable Battery 45 inclined Monocular head rotates 360 allowing for reverse position viewing and trouble free observation for two people LED illumination guarantees a clear and crisp, cool-to-touch white light that lasts up to 60x longer than traditional tungsten bulbs Eyepiece with built-in pointer ensures that definite points on the slide can be easily designated and quickly identified Equipped with tension adjustment to eliminate stage drift. For added safety the rack-stop prevents damage to slides and objective lenses while the slip-clutch focusing system protects gears from damage Value added features on this microscope include: a cord holder, reverse nosepiece, plastic cover guard for iris diaphragm (shields lenses from damage caused by dirt and debris), turn wheel adjustment and a larger WF Eyepiece with calibrated pointer