асфералық линза

асфералық линза

A lens with a curved, non-spherical surface. Used to reduce aberrations and achieve a more compact lens size. With a spherical lens, rays travelling from the lens periphery create the image before the ideal focal point and give a blurred image centre. With an aspherical lens, even the rays travelling from the lens periphery converge at the ideal focal point, thus producing a sharp image.

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Blossary: A Glossary of Photographic Terms
Industri / Domain: Fotografi
Kategori: Lensa; Teknik-teknik fotografi
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линза

Eyewear; Optometri; Lensa kontak; Bedah mata

A transparent double convex (outward curve on both sides) structure between the iris and the vitreous humor. Two structures of the eye focus light onto the retina. The first is ...

линза

Fotografi; Fotografi profesional

optical element made of glass or plastic and capable of bending light. A lens may be constructed of single or multiple elements.

саңылау

Fotografi; Lensa; Teknik-teknik fotografi

The aperture is the opening formed by the blades of the iris or diaphragm in the lens, through which light passes to expose the film. Aperture size is usually given in f-numbers, ...

көру бұрышы

Fotografi; Lensa; Teknik-teknik fotografi

The area of a scene that a lens can cover. The focal length of the lens determines the angle of view. A wide-angle (short-focal-length) lens includes more of a scene than a ...

көру бұрышы

Fotografi; Teknik-teknik fotografi

The area of a scene that a lens can cover. The focal length of the lens determines the angle of view. A wide-angle (short-focal-length) lens includes more of a scene than a ...

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Industri / Domain: Kehidupan pribadi Kategori: Perceraian

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A formal ceremony to officially end a marriage by exchanging divorce vows and returning the wedding rings. As divorce becomes more common, a divorce ...