The line passing through the intersection of the horizontal and vertic – McqOptions

MCQOPTIONS

1.	The line passing through the intersection of the horizontal and vertical cross hairs and optical centre of the subject glass and its continuation is called:
A.	the line of sight
B.	the line of collimation
C.	the line of sight as well as the line of collimation
D.	the axis of level tube
E.	the centre line
Answer» D. the axis of level tube

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