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Instruction Manual Easygraph
Z 4, ±4 four-lobed defect
Z 3,±3 trefoil
Z 2,±2 astigmatism Z 4, ±2 fourth-order astigmatism
Z 1,±1 tilt Z 3,±1 coma
Z 2,0 focus Z 4,0 spherical aberration
degree n
angular
frequency
m
Overview of the most important
Zernike polynomials