The tutorial initializes with an image of a ZEISS Plan Neofluar 63x objective in the window. Right to the objective image is an interactive text box that displays information about the objective when a particular region is activated. To operate the tutorial, click through the objective features step by step, selecting where possible. Below the objective image, you will see your selected objective configuration. This will help you to understand the options available and the codes used to categorize objectives.
The graphic below outlines the specifications that are included in this interactive tutorial.