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Vortex Optics is an American manufacturer of special optical equipments for hunting, wildlife watching, outdoor recreation, shooting sports and law enforcement and military. [ 1] Vortex products include binoculars, spotting scopes, riflescopes, reflex sights, holographic sights and other accessories. It once had a sister company known as Eagle ...
An optical vortex (also known as a photonic quantum vortex, screw dislocation or phase singularity) is a zero of an optical field; a point of zero intensity. The term is also used to describe a beam of light that has such a zero in it. The study of these phenomena is known as singular optics .
NOBLEX E-Optics GmbH, formerly Docter Optics, is a German manufacturer of optics, including binoculars, rifle scopes, spotting scopes, red dot sights, flashlights and reading glasses. Its headquarters are in Eisfeld, Thuringia, Germany, where most of the products are developed and manufactured. Docter is part of the Analytik Jena Group.
Binocular vision. Principle of binocular vision with horopter shown. In biology, binocular vision is a type of vision in which an animal has two eyes capable of facing the same direction to perceive a single three-dimensional image of its surroundings. Binocular vision does not typically refer to vision where an animal has eyes on opposite ...
Bitis nasicornis — Büttikofer, 1890. Bitis nasicornis — Boulenger, 1896. Bitis nasicornis is a viper species belonging to the genus Bitis, part of a subfamily known as "puff-adders", [ 3] found in the forests of West and Central Africa. [ 1][ 2][ 4] This large viper is known for its striking coloration and prominent nasal "horns". [ 5] No ...
Vortex tube. The vortex tube, also known as the Ranque-Hilsch vortex tube, is a mechanical device that separates a compressed gas into hot and cold streams. The gas emerging from the hot end can reach temperatures of 200 °C (390 °F), and the gas emerging from the cold end can reach −50 °C (−60 °F). [1] It has no moving parts and is ...
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