3 Questions
What should be done after placing the focusing rod in the hole?
Rotate eyepieces (maximum +)
When should the ‘grainy’ appearance be achieved?
After reducing plus
What is the next step after achieving the ‘grainy’ appearance?
Adjusting for centration distance
Test your knowledge of instrument focusing with this quiz on the "focusing rod" method. Learn how to use a focusing rod, adjust eyepieces, and achieve proper centration distance for accurate instrument focusing.
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