CST Exam Review Question no. 331 July 15, 2017 By Rana Waqar Leave a Comment The range of focal lengths of the objective lenses in the operating microscope is .. a. 0-100 mm b. 100-200 mm c. 100-400 mm d. 5-25 mm Δ For More questions please join Our facebook group: https://www.facebook.com/groups/1424167527615419/?ref=group_browse_new
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