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  2. Vortex Optics - Wikipedia

    en.wikipedia.org/wiki/Vortex_Optics

    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 ...

  3. Monocular - Wikipedia

    en.wikipedia.org/wiki/Monocular

    Galilean type Soviet-made miniature 2.5 × 17.5 monocular Diagram of a monocular using a Schmidt-Pechan prism: 1 – Objective lens 2 – Schmidt-Pechan prism 3 – Eyepiece. A monocular is a compact refracting telescope used to magnify images of distant objects, typically using an optical prism to ensure an erect image, instead of using relay lenses like most telescopic sights.

  4. Vortex Aquatic Structures International - Wikipedia

    en.wikipedia.org/wiki/Vortex_Aquatic_Structures...

    Overview. Vortex Aquatic Structures International pioneered the first Splashpad. It is among the fastest-growing companies in Canada, making the Growth 500 list for the fifth consecutive year in 2019. [7] [8] [9] Headquartered in Montreal, Vortex has regional offices in the United States and Europe. [3]

  5. Optical vortex - Wikipedia

    en.wikipedia.org/wiki/Optical_vortex

    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 .

  6. Telescopic sight - Wikipedia

    en.wikipedia.org/wiki/Telescopic_sight

    A telescopic sight, commonly called a scope informally, is an optical sighting device based on a refracting telescope. [ 1] It is equipped with some form of a referencing pattern – known as a reticle – mounted in a focally appropriate position in its optical system to provide an accurate point of aim.

  7. Vortex tube - Wikipedia

    en.wikipedia.org/wiki/Vortex_tube

    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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