The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as« Back to Previous Page

line of collimation Posted by Civil Engineer Asked on June 17, 2016 3:10 pm

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line of collimation Posted by Civil Engineer Answered on June 25, 2016 3:41 pm

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line of collimation Posted by Civil Engineer Answered on June 25, 2016 3:41 pm