Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 3 (Q.No. 13)
In an internal focusing telescope
the objective is at a fixed distance from the diaphragm
the focusing is done by the sliding of a divergent lens.
the focusing divergent lens is situated at about the middle of the tube
all the above.
Answer: Option
No answer description is available. Let's discuss.
1 comments Page 1 of 1.

Ganesh said:   2 years ago
What is an internal focusing telescope? explain in detail.

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