cemented lenses

Mira otros diccionarios:

• eyeglasses — Lenses set in frames to wear in front of the eyes to aid vision or correct vision defects (see ophthalmology, optometry). Their use for farsightedness and nearsightedness has been known since the late Middle Ages. In 1784 Benjamin Franklin… …   Universalium

• Eyepiece — For the device for looking through a camera, see viewfinder. A collection of different types of eyepieces. 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… …   Wikipedia

• Carl Zeiss AG — Infobox Company name = Carl Zeiss AG type = Aktiengesellschaft foundation = Jena, Germany (1846) location = flagicon|GEROberkochen, Germany slogan = We make it visible key people = Dr. Dieter Kurz, CEO and President num employees = 12,844 (March… …   Wikipedia

• Optical aberration — v · d · e Optical aberration …   Wikipedia

• Large format lens — Large format lenses are photographic optics that provide an image circle large enough to cover large format film or plates. Large format lenses are typically used in large format cameras and view cameras.Photographic optics generally project a… …   Wikipedia

• Doublet (lens) — For other uses, see Doublet (disambiguation). An achromatic doublet. 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… …   Wikipedia

• Tessar — Infobox lens design scheme = Zeiss Tessar.svg year = 1902 author = Paul Rudolph elements = 4 groups = 3 aperture = f/6.3 (1902) f/4.5 (1917) f/2.8 (1930)The Tessar is a famous photographic lens design conceived by physicist Paul Rudolph in 1902… …   Wikipedia

• Joseph Petzval — ( de. Josef Maximilian Petzval; hu. Petzvál József Miksa; sk. Jozef Maximilián Petzval) (January 6, 1807 ndash; September 19, 1891) was a mathematician, inventor, and physicist best known for his work in optics. Petzval studied and later lectured …   Wikipedia

• Leica Camera — Coordinates: 50°32′35″N 008°23′25″E / 50.54306°N 8.39028°E / 50.54306; 8.39028 …   Wikipedia

• Optician — An optician uses a lensometer to check eye glasses. An optician is a person who is trained to fill prescriptions for eye correction in the field of medicine …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium