Question: Pick up the correct statement from the following : A. the eyepiece plays no part in defining the line of sight B. the diaphragm plays

Pick up the correct statement from the following :
A.the eyepiece plays no part in defining the line of sight
B.the diaphragm plays no part in defining the line of sight
C.the optical centre of the objective plays no part in defining the line of sight
D.none of these.

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