If a Student Uses a Parfocal Compound Light Microscope,which of the Following

Multiple Choice

If a student uses a parfocal compound light microscope,which of the following would be true?

A) The focus will have to be adjusted using the mechanical stage control knob.
B) After the initial focus adjustments are made, the image should remain in focus as the specimen is viewed with each objective lens.
C) The focus will have to be adjusted using the coarse adjustment knob.
D) The focus will have to be adjusted using the fine adjustment knob.