eyepiece graticule

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• 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

• graticule — a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument. Used to measure the size of such objects as eggs of fishes. Also called reticle or reticule …   Dictionary of ichthyology

• graticule — grat·i·cule || grætɪkjuːl n. lines that represent parallels of longitude and latitude on maps and globes; network of lines placed in the focal plane of an eyepiece of an optical device (for visual guidance) …   English contemporary dictionary

• graticule — [ gratɪkju:l] noun 1》 a network of lines representing meridians and parallels, on which a map or plan can be represented. 2》 a series of fine lines in an eyepiece or oscilloscope screen, used as a measuring scale or an aid in locating objects.… …   English new terms dictionary

• List of constellations — Each culture has its own constellations, usually based on mythology. This article covers the 88 constellations used in modern astronomy, which properly speaking are not patterns of stars, as in the common use of the word, but areas of the sky… …   Wikipedia

• reticle — graticule (a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument. Used to measure the size of such objects as eggs of fishes. Also called reticule) …   Dictionary of ichthyology

• reticule — graticule (a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument. Used to measure the size of such objects as eggs of fishes. Also called reticle) …   Dictionary of ichthyology

• Reticle — Crosshairs redirects here. For the fictional characters in Transformers, see Crosshairs (Transformers). A comparison of different reticles used in telescopic sights. The lower right represents a reticle found in the scope of a Russian SVD sniper… …   Wikipedia

• graticulate —   v.t. divide (pattern, etc.) into squares for easiness of reproduction.    ♦ graticulation, n.    ♦ graticule, n. grid of lines used with the eyepiece of a microscope, telescope, etc., for measuring or locating objects; grid of lines on a major… …   Dictionary of difficult words

• cross hair — noun either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration he had the target in his cross hairs • Syn: ↑cross wire • Hypernyms: ↑line • Part Holonyms:… …   Useful english dictionary

• grat|i|cule — «GRAT uh kyool», noun. 1. a) a design or plan divided into squares to facilitate copying. b) the network of lines or curves representing meridians and parallels on a map or chart. 2. a) a measuring scale in the eyepiece of a telescope, microscope …   Useful english dictionary