Lab Prep Lab 1 Handling microscope ID parts of the microscope. Stage Objectives Eyepiece Focus adjustment knobs Which way do you turn the knob to adjust the stage toward objective? In other words to focus towards the object? Which way do you turn the knob to adjust the stage away from the objective? Focus away from the object? After changing the objective do you use the coarse or fine adjustment knob? Which one is this? Do they both adjust the same way? How do you calculate magnification? How do you put the microscope away? Preparing a wet mount Discarding a wet mount Would you ever use the oil immersion lens on a wet mount Lab 2 Amount of oil on the 100x objective What are the main differences between prokaryotes and eukaryotes? What are the main differences between plant and animal cells that you will be able to see in this lab?