OZB A5306 Holder for Stereo Microscope Stand, coarse and fine drive

For these flexible, modular systems, there are two microscope head brackets to choose from, which are compatible with all stereomicroscope and universal stands (except for the spring-hinged arm) for precise focusing. The first variant is a holder with adjustable handwheel and the setting of the turning power for your configuration. For professional applications you have a holder with coarse and fine drive for optimum focusing to choose from. Diameter of the connection for the microscope head: 76 mm. Diameter of the connection for the column stand: 25 mm