- vertex focal length
- <opt> ■ Schnittweite f
English-german technical dictionary. 2013.
English-german technical dictionary. 2013.
Focal length — The focal length of an optical system is a measure of how strongly it converges (focuses) or diverges (diffuses) light. A system with a shorter focal length has greater optical power than one with a long focal length. Thin lens approximation For… … Wikipedia
IBM 1130 — The IBM 1130 Computing System was introduced in 1965. It was IBM s least expensive computer to date, and was aimed at price sensitive, computing intensive technical markets like education and engineering. The IBM 1800 was a process control… … Wikipedia
IBM 1130 — Consola IBM 1130, en proceso de restauración. El Sistema de Computación IBM 1130 fue introducido en 1965.[1] Era el equipo menos caro de IBM, y apuntaba al mercado de bajo costo de computación técnica intensiva, como la ingeniería y la educación … Wikipedia Español
Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
Optical aberration — v · d · e Optical aberration … Wikipedia
Eyeglass prescription — Using a phoropter to determine a prescription for eyeglasses An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed… … Wikipedia
Curved mirror — Reflections in a spherical convex mirror. The photographer is seen reflected at top right A curved mirror is a mirror with a curved reflective surface, which may be either convex (bulging outward) or concave (bulging inward). Most curved mirrors… … Wikipedia
RGB color model — RGB redirects here. For other uses, see RGB (disambiguation). A representation of additive color mixing. Projection of primary color lights on a screen shows secondary colors where two overlap; the combination of all three of red, green, and blue … Wikipedia
Octant (instrument) — Octant. This instrument, labelled Crichton London, Sold by J Berry, Aberdeen, appears to have an ebony frame with ivory scale, vernier and signature plate. The index arm and mirror supports are brass. Rather than use a sighting telescope, this… … Wikipedia