water-immersion objective

См. также в других словарях:

• Water immersion objective — In light microscopy, a water immersion objective is a specially designed objective lens used to increase the resolution of the microscope. This is achieved by immersing both the lens and the specimen in water which has a higher refractive index… …   Wikipedia

• immersion objective — n OIL IMMERSION LENS * * * a microscope objective designed to have its tip and the cover glass over the specimen connected by a liquid instead of by air. The liquid may be water (water immersion) or a specially prepared oil (oil immersion) …   Medical dictionary

• water immersion — the covering of the microscopical objective and the object with water …   Medical dictionary

• Objective (optics) — Several objective lenses on a microscope. In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or… …   Wikipedia

• immersion lens — noun or immersion objective : an objective of short focal distance designed to work with a drop of liquid (as oil or water) between front lens and cover glass * * * immersion lens noun A microscope object glass that works with a drop of oil or… …   Useful english dictionary

• Oil immersion — Principle of immersion microscopy. Path of rays with immersion medium (yellow) (left half) and without (right half). Rays (black) coming from the object (red) at a certain angle and going through the coverslip (orange, as the slide at the bottom) …   Wikipedia

• Immersion — can refer to:* Baptism by immersion * Immersion lithography or immersion microscopy, optical techniques in which liquid is between the objective and image plane in order to raise numerical aperture. * Language immersion * Immersion (mathematics) …   Wikipedia

• Immersion — Im*mer sion, n. [L. immersio; cf. F. immersion.] 1. The act of immersing, or the state of being immersed; a sinking within a fluid; a dipping; as, the immersion of Achilles in the Styx. [1913 Webster] 2. Submersion in water for the purpose of… …   The Collaborative International Dictionary of English

• Immersion lens — Immersion Im*mer sion, n. [L. immersio; cf. F. immersion.] 1. The act of immersing, or the state of being immersed; a sinking within a fluid; a dipping; as, the immersion of Achilles in the Styx. [1913 Webster] 2. Submersion in water for the… …   The Collaborative International Dictionary of English

• Objective — In a microscope, the objective (also called the objective lens) is the lens nearest to the object being examined whereas the lens closest to the eye is termed the ocular (the eyepiece). The light microscope today is usually binocular (with one… …   Medical dictionary

• immersion — 1. The placing of a body under water or other liquid. 2. In microscopy, filling the space between the objective lens and the top of the cover glass with a fluid, such as water or oil, to reduce …   Medical dictionary