Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 3 (Q.No. 13)

Surveying

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

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Discussion:

1 comments Page 1 of 1.

Ganesh said: 2 years ago

What is an internal focusing telescope? explain in detail.

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