What is Gauss lens?

In mathematics, the Gauss circle problem is the problem of determining how many integer lattice points there are in a circle centered at the origin and with radius...

A lens controller is device that controls motorized photographic lens functions such as zoom, focus, and iris opening. Lens controllers can be found in still camera photographic lenses and as...

A pancake lens is colloquial term for a flat, thin camera lens assembly. The majority are a prime lens of normal or slightly wider angle of view. Some are zoom...

In optics, a doublet is a type of lens made up of two simple lenses paired together. Such an arrangement allows more optical surfaces, thicknesses, and formulations, especially as the...

A kit lens is a "starter" lens which can be sold with an interchangeable-lens camera such as a single-lens reflex camera. It is generally an inexpensive lens priced at the...

A critical lens is a way of looking at a particular work of literature by focusing on style choices, plot devices, and character interactions and how they show a certain...

Breathing refers to the shifting of either the angle of view or the focal length of a lens when changing the focus, depending on the definition. The two definitions are...