The main shaft supports the illuminating mirror (A), condensing lens (B), and stage (C). All three are movable, and held in place by a jam screw.
This microscope has a condenser lens (B) placed between the mirror and stage. By tilting and/or moving the vertical position, light can be focused on the sample. A jam screws hold mounts in place. Diameter = 3cm; f=6.7cm.
Support legs are 12cm long.
The microscope may be folded for storage.