Brightfield

• What is the oldest illumination system used?

  Brightfield
• What is the MOST COMMON illumination system used?

  Brightfield
• Which is DARK in brightfield?

  Specimen
• Which is BRIGHT in brightfield?

  background
• What is the principle type of microscopy in clinical laboratory?

  Brightfield
• Historically, what is the light source for brightfield microscopy?

  Room light
• Disadvantage of room light as light source include UNEVEN, variable illumination field of view (FOV)
• Today, what type of illumination does brightfield microscopy utilizes?

  Kohler illumination
• Kohler illumination gives the advantages light FOCUSED, BRIGHT and EVEN illumination of specimen.