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The crosshair is the most rudimentary reticle, represented as a pair of smooth, perpendicularly intersecting lines in the shape of a "+", and the crosshair center is used for aiming the weapon. The crosshair lines geometrically resemble the X- and Y-axis of the Cartesian coordinate system , which the shooter can use as a simple reference for ...
Reticle accessory (PD-8) used in sniper rifles. A reticle, or reticule [1] [2] also known as a graticule, is a pattern of fine lines or markings built into the eyepiece of an optical device such as a telescopic sight, spotting scope, theodolite, optical microscope or the screen of an oscilloscope, to provide measurement references during visual ...
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The XrossMediaBar (pronounced "cross-media bar" and officially abbreviated as XMB) is a graphical user interface developed by Sony Computer Entertainment. The interface features icons that are spread horizontally across the screen. Navigation moves the icons, instead of a cursor. These icons are used as categories to organize the options ...
Stadia marks, also called stadia lines or stadia hairs, are crosshairs on the reticle of a theodolite or other surveying instrument that allow stadiametric rangefinding.
File:Reticles vector.svg. Size of this PNG preview of this SVG file: 486 × 582 pixels. Other resolutions: 200 × 240 pixels | 401 × 480 pixels | 641 × 768 pixels | 855 × 1,024 pixels | 1,710 × 2,048 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
A ruler used as a fiducial marker. A fiducial marker or fiducial is an object placed in the field of view of an imaging system that appears in the image produced, for use as a point of reference or a measure. It may be either something placed into or on the imaging subject, or a mark or set of marks in the reticle of an optical instrument.
t. e. A sniper is a military / paramilitary marksman who engages targets from positions of concealment or at distances exceeding the target's detection capabilities. [1] Snipers generally have specialized training and are equipped with telescopic sights. Modern snipers use high-precision rifles and high-magnification optics.
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Flight director (aeronautics) In aviation, a flight director ( FD) is a flight instrument that is overlaid on the attitude indicator that shows the pilot of an aircraft the attitude required to execute the desired flight path. Flight directors are mostly commonly used during approach and landing. They can be used with or without autopilot systems.
