A parfocal microscope:
A)Eliminates the need to stain the specimen to be viewed.
B)Has two ocular lenses.
C)Requires a polarized light source.
D)Allows for ease of focusing when switching from low to high power.

Question

Quizplus · Accepted Answer

Parfocal microscopes are designed to stay in focus when the magnification/focal length is changed. This means that once the specimen is in focus at one magnification, it will remain in focus when switching to a higher magnification, minimizing the need for refocusing.

A Parfocal Microscope