Akademik

the lens that is farthest from the eye in an optical device with more than one lens

1. : a lens located at or near the plane of a real image whose function is to collect and redirect the rays into some other element of the optical system

2. : the one of two lenses forming the eyepiece of a telescope or compound microscope that is nearer the object glass and that directs the rays into the eye lens

the lens in an eyepiece that is farthest from the eye and that deviates rays toward the center of the eye lens.

[1830-40]

field lens,

the lens furthest from the eye in the eyepiece of a microscope or telescope.

n. in a multiple lens optical system, the lens farthest from the eye