afocal

As a noun terms

is .

As an adjective afocal is

(optics|of an imaging system) not focused.

As adjectives the difference between focal and afocal

is that focal is belonging to, concerning, or located at a focus while afocal is not focused.

Afocally is a derived term of afocal.

As an adjective afocal is

(optics|of an imaging system) not focused.

Afocal is a derived term of afocality.

Afocality is often a misspelling of afocal.

Afocality has no English definition.

As an adjective afocal is

not focused.

As adjectives the difference between convex and afocal

is that convex is curved or bowed outward like the outside of a bowl or sphere or circle while afocal is not focused.

As a noun convex

is any convex body or surface.

As adjectives the difference between concave and afocal

is that concave is curved like the inner surface of a sphere or bowl while afocal is (optics|of an imaging system) not focused.

As a noun concave

is a surface or curve.

As a verb concave

is to render , or increase the degree of concavity.

As adjectives the difference between focused and afocal

is that focused is centered or concentrated while afocal is (optics|of an imaging system) not focused.

As a verb focused

is (focus).