Press the button on the top of the objective (right above the Y axis of rotation screw)
Twist the camera body counterclockwise and carefully lift directly off. Set carefully on its side to avoid damaging the lenses in the camera assembly
Loosen the large plastic wingnut screw located above the axis of rotation adjustment on the objective. (DO NOT ADJUST AXIS OF ROTATION SCREWS)
Lift the objective straight up off the mounting post on the microscope body and place carefully in drawer located under Keyence computer.
Remove the desired objective and lower over the mounting post on microscope body.
Gently snug up the wing nut screw to clamp on the flat of the mounting post
Gently lower the camera assembly onto the top of the objective
Once lined up, rotate camera assembly clockwise until a sharp click is heard
Make sure zoom knob is locked into a set zoom level detent
Follow steps to initialize the XY stage