Final answer:
To reduce magnification distortion, adjust the microscope's illumination, condenser lens, and iris diaphragm, or for telescopes, use a long focal length objective with a short focal length eyepiece.
Step-by-step explanation:
The best way to reduce magnification distortion in an optical system, such as with microscopes or telescopes, is to adjust the optical parameters appropriately. When dealing with a microscope, there are several factors you can modify to improve image clarity and reduce distortion due to magnification.
These include adjusting the illumination, moving the condenser lens, and manipulating the iris diaphragm. Specifically, to correct for a darkened image as magnification increases, one might need to increase light intensity, move the condenser lens closer, or open the iris diaphragm. In the context of a telescope, achieving the greatest angular magnification implies having a long focal length objective coupled with a short focal length eyepiece.
This combination enlarges the appearance of an object, allowing for more details to be visible within the limits imposed by lens quality and atmospheric disturbances. Inspecting lenses will show that higher magnifications correspond to longer lenses with smaller apertures, thus necessitating these adjustments.<\/p>