Label the eyepiece, primary mirror, secondary mirror, focus, and focal length of the telescope shown in the figure below. 
Definitions:
Connectivity
The capability of devices to connect and communicate with each other through a network.
Feature Of Mobility
Characteristics of technology that allow users to access services and perform tasks while moving, emphasizing convenience, accessibility, and connectivity regardless of location.
Ubiquity
The state or capacity of being everywhere, especially at the same time, commonly referring to widespread presence or availability of technology and information.
Customization
The process of modifying something to suit a particular individual or task.
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