Whats the reason for change in light intensity as you switch from low to high power in a microscope?

Whats the reason for change in light intensity as you switch from low to high power in a microscope?


Whats the reason for change in light intensity as you switch from low to high power in a microscope?
The high-power objective lens is smaller than the low-power lens. Therefore, the high-power lens lets less light through.
Whats the reason for change in light intensity as you switch from low to high power in a microscope?
The amount of light entering is spread over a wider area so it looks dimmer. You know it is a wider spread because at high intensity, two things close together at low are now at the edges of the field.