Attachments for either the horizontal (A) or vertical (B) configuration of the microscope.
Bayonet mount on microscope body
Objective with Lenses "00", "0", and "1".
Change in magnification was achieved by screwing on different lenses. Up to three individual lenses could be attached for additive magnification.

Timo Mappes of the Museum optischer Instrumente has determined the change in magnification as effected by similar stacked optics of a microscope made by F. W. Schieck.