To magnify an object

To magnify an object - To magnify an object light is...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: To magnify an object, light is projected through an opening in the stage, where it hits the object and then enters the objective. An image is created, and this image becomes an object for the ocular lens, which remagnifies the image. Thus, the total magnification possible with the microscope is the magnification achieved by the objective multiplied by the magnification achieved by the ocular lens. A compound light microscope often contains four objective lenses: the scanning lens (4X), the low- power lens (10X), the high-power lens (40 X), and the oil-immersion lens (100 X). With an ocular lens that magnifies 10 times, the total magnifications possible will be 40 X with the scanning lens, 100 X with the low-power lens, 400 X with the high-power lens, and 1000 X with the oil-immersion lens. Most microscopes are parfocal. This term means that the microscope remains in focus when one Most microscopes are parfocal....
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online