All of the following are good microscope habits except one. Which suggestion is BAD advice?
Answer
never use the coarse focus control except when using the scanning objective
lower the light intensity control to its minimum setting before turning the microscope on or off
as you change the magnification, adjust the contrast of the image using the iris diaphragm lever
when first examining a specimen, you should always begin with the 40x objective lens in place
set the interpupillary distance adjustment correctly in order to reduce eye strain

Question

All of the following are good microscope habits except one. Which suggestion is BAD advice?
Answer
		never use the coarse focus control except when using the scanning objective
		lower the light intensity control to its minimum setting before turning the microscope on or off
		as you change the magnification, adjust the contrast of the image using the iris diaphragm lever
		when first examining a specimen, you should always begin with the 40x objective lens in place
		set the interpupillary distance adjustment correctly in order to reduce eye strain