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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.
Monocular vision is known as seeing and using only one eye in the human species. Depth perception in monocular vision is reduced compared to binocular vision, but still is active primarily due to accommodation of the eye and motion parallax. The word monocular comes from the Greek root, mono for single, and the Latin root, oculus for eye.
Most compact binoculars feature magnifications of 7× to 10×, and objective diameter sizes of a relatively modest 20 mm to 25 mm, resulting in small exit pupil sizes limiting low light suitability. Roof prism designs tend to be narrower and more compact than equivalent Porro prism designs. Thus, compact binoculars are mostly roof prism designs.
These binoculars, which have been on the market for high-quality compact binoculars for a long time, had the optical parameters 8×20 and 10×25. The "B" designation added to updated models means that there is sufficient eye relief for eyeglasses [Brille in German] wearers. The Trinovid series were supplemented in 2004 by the Ultravid series ...
Noblex Compact (8x21 and 10x25) Noblex B/GA (7x40 and 10x42) They are all produced in Jena and ED models feature magnesium housing and Open Bridge design. [14] Noblex also produces a single monocular called Noblex Mono 8x21 which has an unusual design incorporating a Porro prism.
The AN/PVS-14 Monocular Night Vision Device (MNVD) is in widespread use by the United States Armed Forces as well as NATO allies around the world. [3] It uses a third generation image intensifier tube, and is primarily manufactured by Litton Industries (Now L-3 Warrior Systems) and Elbit Systems of America (formerly Harris Night Vision, formerly Exelis, formerly ITT [4]). [5]
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