BIOLOGICAL MICROSCOPES is loaded with the most popular features, including a moveable ABBE condenser and a powerful 100X (oil) objective. This scope is built on a heavy, durable frame. Standard features include: 10X/20 high eye-point eyepiece, reverse nosepiece for easy access to the stage, and bright 20W halogen illumination. The scope can also be equipped with a number of optional accessories including: simple polarization, phase contrast, and a number of different objectives.