Spherical aberration occurs in a lens when it is
A) not spherical enough.
B) not exactly the same shape on each side.
C) spherical.
D) parabolic.

Question

Quizplus · Accepted Answer

Spherical aberration occurs in a lens when it is spherical. This type of aberration happens because rays that pass through the edge of a spherical lens are not focused at the same point as rays that pass through the center. This is due to the geometric shape of the lens.

Spherical Aberration Occurs in a Lens When It Is