Parts of a microscope
Eyepiece:the lens you look through; it magnifies the object, arm hold: when carrying the microscope, objective: lens magnifies the specimen fine and coarse focus wheel turn them to focus the image stage clip stage put the slide on top light source base.
What is magnification?
How many times bigger an image looks compared to real life
How to calculate total magnification?
Eyepiece magnification X objective lens magnification