According to our research of Iowa and other state lists there were 2 registered sex offenders living in New Sharon, Iowa as of July 31, 2016. The ratio of number of residents in New Sharon to the number of sex offenders is 652 to 1. Nearest city with pop. 50,000+: Des Moines, IA (50.9 miles , pop. 198,682).
Revolving Nosepiece or Turret: This is the part that holds two or more objective lenses and can be rotated to easily change power. Objective Lenses: Usually you will find 3 or 4 objective lenses on a microscope. They almost always consist of 4X, 10X, 40X and 100X powers. When coupled with a 10X (most common) eyepiece lens, we get total magnifications of 40X (4X times 10X), 100X , 400X and 1000X.
compound microscope: Eyepiece Lenses and Objective Lenses: | |Eyepiece or Ocular is what you... look through at the top of the microscope. Typically, standard eyepieces have a magnifying power of 10x. | |Optional eyepieces of varying powers are available, typically from 5x-30x.