# Suppose you measure the scanning (4x) field of vision diameter with a stage mircometer and it is 2mm. if high power is 40x, and gives 10x more magnification than scanning power, how big will the...

Suppose you measure the scanning (4x) field of vision diameter with a stage mircometer and it is 2mm. if high power is 40x, and gives 10x more magnification than scanning power, how big will the diameter of the field of vision be using high power?