This is a big one for social workers, because many of us work in crisis situations. Employers want to make sure you can handle stressful situations and take the time for self-care. They donât want to hire someone who will burn out quickly.
This is what makes the image look smaller. The biggest refracting telescope in the world is located at the Yerkes Observatory of the University of Chicago at Williams Bay, Wisconsin. It has an objective lens thats 1.02 meters (40 inches) across, and its total power is 195x. Reflecting telescopes, on the other hand, dont use lenses at all.
Optical Telescopes. In optical astronomy there are three basic types of telescopes; the refractor, the catadioptric and the reflector. The refractor telescope receives light through the objective lens (the large lens closest to the subject being viewed) and sends it to the eyepiece for magnification.