Sturdy and reliable training microscope for all everyday routine uses Powerful and dimmable 6V-20W lighting creates excellent x4, x10, x40, and x100 images. Wide-field eyepieces, achromatic lenses, a rotating unit that can hold up to four lenses, a large specimen stage, and an Abbe condenser are all standard equipment on these microscopes. A coarse and fine drive is used on both sides to adjust the height. The sturdy, adjustable mechanism is a key component of this versatile, durable microscope line. Ergonomic and functional design 50Hz at 220V