cross hairs in surveying telescope are fitted in the objective lense a

cross hairs in surveying telescope are fitted
in the objective lense
at the center of the telescope
at the optical centre of eyepiece
in front of the eyepiece

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cross hairs in surveying telescope are fitted in the objective lense at the center of the ..

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to take reading on staff or stadia rod

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cross hairs in surveying telescope are fitted in the objective lense at the center of the ..

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for tacheometric surveying

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1 Yes

2 No

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