23
White watching through the eyepieces, tilt the joystick to align the microscope
at the object for a sharp image.
2
1
4
4. Locking the base
When finishing the adjustment, fasten the base locking screw (2) to lock the
base (4) and prevent it from sliding.
3.4 Illumination parts operation
1. Changing the slit width
Turn the slit width control knob (35) to adjust the slit width from 0 to 9mm.
The slit becomes a circle at the 9mm size.
Scale of slit width
35
2. Changing the aperture and slit height
Turn the aperture and slit height control knob (29) and 6 different circular
beams of light are available at full aperture: 9, 8, 5, 3, 1, 0.2mm diameters