enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Reflector sight - Wikipedia

   en.wikipedia.org/wiki/Reflector_sight

   1900 (124 years ago) (1900) A view through the Mark III Free Gun Reflector Sight, first produced in 1943, used on British army guns, naval guns, and as a pilot sight and a defensive gun sight on aircraft. The reticle image in this sight is produced by an optical collimator bounced off a beam splitter. The dot remains on the target even though ...

3. Retroreflector - Wikipedia

   en.wikipedia.org/wiki/Retroreflector

   Uses. Distance measurement by optical delay line. High-visibility markings in low-light conditions. A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects radiation (usually light) back to its source with minimum scattering. This works at a wide range of angle of incidence, unlike a planar mirror ...

4. Heliostat - Wikipedia

   en.wikipedia.org/wiki/Heliostat

   The target may be a physical object, distant from the heliostat, or a direction in space. To do this, the reflective surface of the mirror is kept perpendicular to the bisector of the angle between the directions of the Sun and the target as seen from the mirror. In almost every case, the target is stationary relative to the heliostat, so the ...

5. The 20 best gifts for parents of all ages - AOL

   www.aol.com/lifestyle/best-gifts-parents...

   $239 at Amazon $300 at Target. See more options ... Make personal grooming easier with this lighted two-sided makeup mirror with 10X magnification. ... The clock is simple to set up and has ...

6. Corner reflector - Wikipedia

   en.wikipedia.org/wiki/Corner_reflector

   A corner reflector for radar testing. A corner reflector is a retroreflector consisting of three mutually perpendicular, intersecting flat reflective surfaces. It reflects waves incident from any direction directly towards the source, but translated. The three intersecting surfaces often are triangles (forming a tetrahedron) or may have square ...

7. Reticle - Wikipedia

   en.wikipedia.org/wiki/Reticle

   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 ...