English Dictionary

spherical aberration

/ˈsfɪɹ.ɪk.l̩ ˌæb.əˈɹeɪ.ʃn̩/

noun

(optics) A type of lens aberration which causes blurriness, particularly away from the centre of the lens.

Spherical aberration occurs when light rays passing through the edges of a lens focus at different points than those passing through the center.

意味（1）

(optics) A type of lens aberration which causes blurriness, particularly away from the centre of the lens.

For p = -1, the values of q giving minimum spherical aberration (q = 0.71) and zero coma (q = 0.8) are approximately equal to each other.