– …… is the aberration in the image formed by a lens, when a point object is situated far off the axis.
A. Coma
B. Distortion
C. Astigmatism
D. The curvature of the field
Answer:B
– …… is the aberration in the image formed by a lens, when a point object is situated far off the axis.
A. Coma B. Distortion C. Astigmatism D. The curvature of the field