The transparent structure inside the eye that focuses light rays onto the retina.

An artificial lens made of plastic, silicone, acrylic or other material that is implanted in the eye during cataract surgery. Abbreviated IOL.

In a microscope, the lens nearest to the object being examined. Most light microscopes now have a turret that bears a selection of objective lenses.

In a microscope, the lens closest to the eye. Also known as eyepiece. Most light microscopes are binocular, with one ocular lens for each eye.

A clear disk that focuses light, as in a camera or microscope. In the eye, the lens is a clear, curved structure at the front of the eye behind the pupil. It focuses light rays that enter the eye thro [..]

A collection of glass elements that transmit and focus light to form an image.

A true “lens” is a single piece of glass (or other transparent substance) having one or more curved surfaces used in changing the convergence of light rays. What we commonly call a photographic lens i [..]

1690s, "glass to regulate light rays," from Latin lens (genitive lentis) "a lentil," on analogy of the double-convex shape. See lentil. Anatomical use, of the eye part, from 1719. [..]

An optical device that transmits light to film or a sensor. Read articles that include this term

transparent substance used to alter a person's vision.

curved piece of glass or plastic shaped so as to focus or spread light rays that pass through it.

season in the Christian religion lasting 40 days before the celebration of Easter.

A carefully ground or molded piece of glass, plastic, or other transparent material that causes light to bend and either come together or spread apart to form an image.

a movable region on the screen (such as a large magnifying glass) that transforms information below it. Typical transformations might include magnification, fisheye views, information filters (by show [..]

a transparent optical device used to converge or diverge transmitted light and to form images genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small [..]

Also known as crystalline lens, this is the transparent, biconvex structure located behind the iris. Its function is to focus the rays of light on the retina to produce an image of the object seen.

a curved piece of glass used in eye glasses or in instruments such as telescopes and cameras

A carefully ground or molded piece of glass, plastic, or other transparent material that causes light to bend and either come together or spread apart to form an image.

 – An optical device used by a camera to focus an image onto film stock.

a piece of glass in a camera through which light passes before hitting the film stock inside; various types include wide-angle lens, telephoto lens, normal, etc.; to lense means to film a motion pictu [..]

cf. Hand lens - a small device used by an entomologist to make it easier to see features of insects or other invertebrates.

Transparent optical element or assembly with either a concave or convex surface, which refracts light to form an image.

In photography and digital photography the lens is the part of the digital camera or video recorder that concentrates light and focuses the image. The lens itself is a single piece of glass (or other [..]

The human eye is made of several layers and components. Behind the cornea, iris, and pupil sits the lens (it is directly behind the pupil) which actually changes shape as you try to focus on something [..]

Transparent structure in the eye that focuses the image on the retina.

A transparent object with two refracting surfaces. Usually the surfaces are flat or spherical. Sometimes, to improve image quality, lenses are deliberately made with surfaces that depart slightly from [..]

The eye's natural lens. Transparent, biconvex intraocular tissue that helps bring rays of light to a focus on the retina.

A structure in the eye that helps focus an image on the retina. The shape of the lens is controlled by the ciliary muscles inside the eye. See Figure 10.1.

A multi-element optical system (for purposes of the MV market study, single element lenses are not considered lenses but rather sub-components.)

curved pieces of glass that bend light rays as they pass through it. levee -

A transparent object with two refracting surfaces. Usually the surfaces are flat or spherical (spherical lenses). Sometimes, to improve image quality. Lenses are deliberately made with surfaces which [..]

A ground or molded piece of glass, plastic, or other transparent material with opposite surfaces either or both of which are curved, by means of which light rays are refracted so that they form a real [..]

An object, usually made of glass, that focuses or defocuses the light that passes through it. A device which focuses or defocuses electron beams. (geometry) A shape comprising two circular arcs, joine [..]

See “angle.”

1. A curved glass used to bring together or spread rays of light. 2. The transparent organ lying behind the iris and pupil that focuses light on the retina of the eye.

N F lentil; S:lense

The lens is the part of the eye that focuses on what you see. Even though you can't feel it, the lens moves and changes, depending on what you're looking at. When you look at a boat way out [..]

The lens is a bi-concave structure suspended from the inner surface of the ciliary body of the eye. It functions to regulate the entry of light into the eye, and invert light signals for transmission [..]

A glass or plastic element designed to control the distribution and direction of light rays.

A transparent optical component that converges light rays to form a two dimensional image of that object. Level Control

In lighting (or optics), a lens is a transparent object that transmits and reshapes the direction of light. Made of clear glass or transparent plastic, a convex-type of lens can converge (focus) light while a concave-type of lens can diverge (spread) light. See spread lens, linear spread lens, and solite lens.

Optical element used for light guidance. The radius, curvature and surface texture of the lens determine its optical properties. With projector spotlights, lens systems can be used to precisely projec [..]

A combination of shaped glasses and air spaces set in a specific arrangement within a barrel. Within the lens is a diaphragm that can be opened and closed to allow in specific amounts of light. This is controlled manually by a ring on the outside of the lens barrel, or electronically via pins in the coupling ring that mounts the lens to the camera. [..]

This is the device responsible for focusing the image on the CCD, and most offer adjustable focal length and aperture.

A lens is a device, usually made up by a piece of shaped glass. It is used to concentrating or diverging light.

This is the eye of the camera and is used to capture the image it sees onto the camera's light sensitive film, or CCD in digital camera. The size of lens is measured and indicated as a focal leng [..]

A cylinder of shaped pieces of glass or plastic at the front of a camera, it projects a tiny image of the subject onto the film.

A transparent optical component consisting of one or more pieces of optical glass with surfaces so curved (usually Spherical), that they serve to converge or diverge the transmitted rays of an object, thus forming a real or virtual image of that object.

The optical device consisting of several glass elements which transmits and refracts light to produce the image that is recorded by a camera's sensor. DSLR cameras use interchangeable lenses.

The Lens is the camera element that is constructed of multiple pieces of glass to focus light to a given focal point, which is usually the film plane or image sensor.

Optical glass which collects light and focuses it to create an image. Lens hood

An optical device that transmits light to film or a sensor. Read articles that include this term

By definition a lens is one or more pieces of optical glass or similar material designed to collect and focus rays of light to form a sharp image on film, paper, or a projection screen. Think of the lens as the “eye” of the camera. A normal lens has a perspective (or viewing angle) much the same as a normal human eye. Lenses are identified by their [..]

The size of the field of view thermal imager and as a consequence, the size of the measurement varies depending on the lens. Wide-angle lens (eg, 32 ° standard lens for testo 880) is ideally suited for the review of the temperature distribution over a large surface. For accurate measurement of small parts (even at large distances) recommend the use [..]

The lens of the camera determines the angle of view and the focus of the captured image. There are many different lens options.

the transparent structure inside the eye that focuses light rays onto the retina (the nerve cells at the back of the eye).

A largely cylindrical shaped object made of glass or plastic that sits at the front of camera and projects a light onto the photographic medium.

a transparent device, found in the eye and in most cameras, used to form an image by focusing rays of light

A single piece of glass combined with one or more curved surfaces used to change the convergence of light rays. A camera lens is the vehicle by which the image sensor sees an image.

Hydrophilic Contact Lenses worn for an extended period or permanently.

An Intraocular Lens permanently implanted behind the Iris and in front of the natural Eye Lens.

Artificial implanted Lenses.

Lenses, generally made of Plastic or Silicone, that are implanted into the eye in front of the natural Eye Lens, by the Iris, to improve Vision, Ocular. These Intraocular Lenses are used to supplement [..]

Soft, supple Contact Lenses made of Plastic Polymers which interact readily with Water molecules. Many types are available, including continuous and extended-wear versions, which are gas-permeable and [..]

FRESNEL LENS

A curved piece of glass for bringing together or spreading rays of light passing through it.

The transparent, oval-shaped part of the eye that focuses light on the retina.

A true “lens” is a single piece of glass (or other transparent substance) having one or more curved surfaces used in changing the convergence of light rays. What we commonly call a photographic lens is more accurately and technically called an “objective,” an optical device containing a combination of lenses that receive light rays from an object a [..]

   The structure within the eye that focuses light onto the retina (back of the eye).

A clear disk that focuses light, as in a camera or microscope. In the eye, the lens is a clear, curved structure at the front of the eye behind the pupil. It focuses light rays that enter the eye through the pupil, making an image on the retina (light-sensitive layers of nerve tissue at the back of the eye).

A piece of glass or transparent material with plane, convex, or concave surfaces adapted for changing the direction of light rays to enlarge or reduce the apparent size of objects. See also EYEPIECE; [..]

Curved piece of glass that brings light to a focus.

A carefully ground or molded piece of glass, plastic, or other transparent material that causes light to bend and either come together or spread apart to form an image.

The transparent structure inside the eye that focuses light rays onto the retina.

The part of the eye that allows the sight to be focused.

A geologic deposit surrounded by converging surfaces so that it is thick in the middle and thins out towards the edges.

Any device which causes a beam of rays to converge or diverge on passing through it.

An object, usually made of glass, that focuses or defocuses the light that passes through it. *promote child well-being."}} en|noun plural form (obsolete)object glass of a camera * Bengali:obje [..]

Lens lamottei|species|noshow=1 - type species, ''Lens culinaris'', Lens ervoides|species|noshow=1, Lens nigricans|species|noshow=1 - species