The Aven Tools 26800B-521-517 Focus Mount with Tiltable Arbor will accept SSZ, SPZ, DSZ and NSW series microscopes. The focus mount has a precision rack & pinion mechanism with tension control and coarse and fine focus knobs. A tension control adjustment pin is included with the mount.

The included arbor is designed to extend the working range of boom stands and articulating arm stands. The arbor also allows tilting of microscope bodies to increase operator comfort.