Spherical aberration means
A. that all portions of a lens have common focus
B. that inner and outer areas of lens do not have common focus
C. that the lens corrected for two wavelengths of radiation
D. it is corrected for three wavelengths of radiation
Answer:B
Spherical aberration means
A. that all portions of a lens have common focus B. that inner and outer areas of lens do not have common focus C. that the lens corrected for two wavelengths of radiation D. it is corrected for three wavelengths of radiation