Prescott's Microbiology 8th Edition by Joanne Willey, Linda Sherwood, Christopher J. Woolverton, Lansing Prescott, John Harley, Donald Klein

Exercise 3

How is lens strength related to focal length? How do you think this principle is applied to corrective eyeglasses?

Step 1 of 2

A lens is able to magnify objects greater if the focal length is short. The focal length is the distance between the lens and the focal point (where the light converges).