In imaging optics, a field lens is a positive-powered lens or group of lenses that comes after the objective lens and before the image plane or the eyepiece...

Field flattener lens is a type of lens used in modern binocular designs and in astronomic telescopes to improve edge sharpness. Field flattener lenses...

visible light are also called "lenses", such as microwave lenses, electron lenses, acoustic lenses, or explosive lenses. Lenses are used in various imaging...

An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is named because...

commercialize the light field camera he developed as a graduate student. Lytro's light field sensor uses an array of micro-lenses placed in front of an...

A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image.: 145  Fisheye...

A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body...

or position of the lens with respect to the film or image sensor on cameras. Sometimes the term is used when a shallow depth of field is simulated with...

in situations that produce shallow depth of field. Good bokeh is also important for medium telephoto lenses (typically 85–150 mm on 35 mm format). When...

Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used by over...