**Ring Illumination**

This provides the most natural appearance, closely resembling the view perceived by the human eye.

 

For more details on ring illumination, please refer to the following:

 

  

**Coaxial Illumination**

When observing reflective objects (such as metals), black and white may reverse depending on the conditions.

 

For more details on coaxial illumination, please refer to the following:

 

   

 

**Low-Angle Illumination**

Edges appear sharper and more pronounced, resulting in a dark-field-like appearance. (Refer to “Dark-Field Observation” for more information.)

 

 

For more details on low-angle illumination, please refer to the following: