resolving power image
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resolving power — n. 1. a measure of the smallest distance between two points in the image of an optical system when the two points can be distinguished as separate 2. the ability of a photographic emulsion to produce a picture containing fine detail … English World dictionary
resolving power — noun Date: 1879 1. the ability of an optical system to form distinguishable images of objects separated by small angular distances 2. the ability of a photographic film or plate to reproduce the fine detail of an optical image … New Collegiate Dictionary
resolving power — (1) The resolution of an optical system defines the closest proximity of two objects that can be seen as two distinct regions of the image. This limit depends upon the Numerical Aperture (N.A.) of the optical system, the contrast step between… … Dictionary of molecular biology
resolving power — 1. Optics. the ability of an optical device to produce separate images of close objects. 2. Photog. the degree to which a lens or photographic emulsion is able to define the details of an image. [1875 80] * * * … Universalium
Drizzle (image processing) — Drizzle (or DRIZZLE) is a digital image processing method for the linear reconstruction of undersampled images. It is normally used for the combination of astronomical images and was originally developed for the Hubble Deep Field observations… … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… … Universalium
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
Angular resolution — describes the resolving power of any image forming device such as an optical or radio telescope, a microscope, a camera, or an eye. Definition of terms Resolving power is the ability of the components of an imaging device to measure the angular… … Wikipedia
Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… … Wikipedia
