Question

In lenses, the simplest method for minimizing spherical aberration is to

• A. use a mirror in front of the lens.
• B. use an aperture in front of the lens.
• C. use a combination of lenses.
• D. None of these

Answer 1

Answer: (B), (C)

The correct options are
B use an aperture in front of the lens.
C use a combination of lenses.

In lenses, using an aperture in front of lens and use of combination of lens minimizes the spherical aberrations in lenses.