asked 207k views
1 vote
If you turn the fine adjustment knob slowly to move the objective up or down, what happens to the image you are viewing?

What does it do?

Thank you :)

asked
User Cryp
by
8.6k points

1 Answer

1 vote
It gets more or less focused by very small increments 
answered
User Truman
by
7.9k points
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