LENS, WHITE(Service)

Dark Field Viewing

Dark Field Viewing Principle To view a specimen in dark field, an opaque disc is placed underneath the condenser lens, so that only light that is scattered by objects on the slide can reach the eye (figure 2). Instead of coming

USE OF THE LIGHT MICROSCOPE

and identify the parts as siting of some controls may vary and some have ‘Fixed’ or specialised condensers. Ensure the light intensity control is set to low, turn on the light and increase the brightness to give a white light output. Raise

Use of Light Microscope--光学显微镜的使用

as siting of some controls may vary and some have ‘Fixed’ or specialised condensers. Ensure the light intensity control is set to low, turn on the light and increase the brightness to give a white light output. Raise the substage condenser