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.
1 Lenses-form the image objective lens-gathers light from the specimen eyepiece-transmits and magnifies the image from the objective lens to your eye nosepiece-rotating mount that holds many objective lenses tube-holds the eyepiece at the proper distance from the objective lens and blocks out stray light.