Short Answer 
The compound light microscope comprises essential components like the eyepiece and objective lenses, along with additional parts such as stage clips and illuminators that enhance functionality. Key adjustment features, including coarse and fine adjustment knobs, help in focusing, while the arm and base provide support and stability.
Step 1: Understand the Main Components
The compound light microscope consists of several key parts that work together to magnify and illuminate specimens. The most essential components include:
- Eyepiece (Ocular): The lens you look through, magnifying the image.
- Objective Lenses: Multiple lenses with varying magnifications (e.g., 4x, 10x, 40x, 100x) to provide detailed observations.
- Stage: The platform where the specimen is held for viewing.
Step 2: Learn Additional Functional Parts
In addition to the main components, there are other crucial parts that enhance the microscope’s functionality and ensure proper operation:
- Stage Clips: These secure the slide on the stage.
- Illuminator: Provides the necessary light to pass through the specimen.
- Diaphragm: Controls the intensity of light reaching the specimen.
Step 3: Master the Adjustment and Support Features
A microscope also has adjusting parts that help in focusing and supporting the structure during use. Key elements include:
- Coarse and Fine Adjustment Knobs: The coarse knob allows for rough focusing, while the fine knob provides precise adjustments.
- Arm and Base: The arm supports the upper parts and serves as a handle, while the base provides stability to the entire instrument.
- Condenser and Rack Stop: The condenser focuses light for better resolution, and the rack stop prevents lens damage by limiting travel.