8
Step 1. Main Observation Head
Install the main observation head with the arrow control knob facing the main user.
Fasten with the clamp screw located on the right hand side of the microscope arm.
Step 2. Sub-Observation Head
Slot in the relay lens unit (with sub-observation head attached) into the relay lens opening
on the main head. Secure with the relay lens unit clamping ring.
The relay lens unit can be slot in either side of the main observation head