Off-Axis Reflector meaning in Urdu

1) Off-Axis Reflector, Herschelian Telescope : بڑی دوربین : (noun) a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed.

Refracting Telescope: optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece.

Reflecting Telescope: optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece.

Collimator: a small telescope attached to a large telescope to use in setting the line of the larger one.

Gyrostabiliser: a stabilizer consisting of a heavy gyroscope that spins on a vertical axis; reduces side-to-side rolling of a ship or plane.

Headlamp: a powerful light with reflector; attached to the front of an automobile or locomotive.

Dish: directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation.

Field Glass: a small refracting telescope.

Collimation: the accurate adjustment of the line of sight of a telescope.

Stereo: two photographs taken from slightly different angles that appear three-dimensional when viewed together.

Reflection: the image of something as reflected by a mirror (or other reflective material).

Theodolite: a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod.

Aberration: an optical phenomenon resulting from the failure of a lens or mirror to produce a good image.

Axially: with respect to an axis.

Rotary Motion: the act of rotating as if on an axis.

Coaxal: having a common axis.

Go Around: turn on or around an axis or a center.

Abscissa: the value of a coordinate on the horizontal axis.

Turn: move around an axis or a center.

Circumvolve: cause to turn on an axis or center.

Axial: of or relating to or resembling an axis of rotation.

Abaxial: facing away from the axis of an organ or organism.

Gyrate: revolve quickly and repeatedly around one's own axis.

Axial Motion: rotary motion of an object around its own axis.

South Pole: the southernmost point of the Earth's axis.

Adaxial: nearest to or facing toward the axis of an organ or organism.

Revolve: cause to move by turning over or in a circular manner of as if on an axis.

Compound Lens: a lens system consisting of two or more lenses on the same axis.

Spadix: the fleshy axis of a spike often surrounded by a spathe.

Circumvolution: the act of turning or winding or folding around a central axis.

24-Hour Interval: time for Earth to make a complete rotation on its axis.

Pin: axis consisting of a short shaft that supports something that turns.

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