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29 relations: Angular resolution, Camera, Camera lens, CD player, Eyepiece, F-number, Focal length, Focus (optics), Index-matching material, Lens (optics), List of telescope parts and construction, Magnification, Magnifying glass, Microscope, Mirror, Movie projector, Numerical aperture, Oil immersion, Optical aberration, Optical engineering, Primary mirror, Projector, Ray (optics), Real image, Reflecting telescope, Refracting telescope, Slide projector, Telescope, W. M. Keck Observatory.
Angular resolution
Angular resolution or spatial resolution describes the ability of any image-forming device such as an optical or radio telescope, a microscope, a camera, or an eye, to distinguish small details of an object, thereby making it a major determinant of image resolution.
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Camera
A camera is an optical instrument for recording or capturing images, which may be stored locally, transmitted to another location, or both.
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Camera lens
A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.
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CD player
A CD player is an electronic device that plays audio compact discs, which are a digital optical disc data storage format.
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Eyepiece
An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes.
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F-number
The f-number of an optical system (such as a camera lens) is the ratio of the system's focal length to the diameter of the entrance pupil.
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Focal length
The focal length of an optical system is a measure of how strongly the system converges or diverges light.
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Focus (optics)
In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge.
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Index-matching material
In optics, an index-matching material is a substance, usually a liquid, cement (adhesive), or gel, which has an index of refraction that closely approximates that of another object (such as a lens, material, fiber-optic, etc.). When two substances with the same index are in contact, light passes from one to the other with neither reflection nor refraction.
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Lens (optics)
A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.
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List of telescope parts and construction
No description.
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Magnification
Magnification is the process of enlarging the appearance, not physical size, of something.
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Magnifying glass
A magnifying glass (called a hand lens in laboratory contexts) is a convex lens that is used to produce a magnified image of an object.
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Microscope
A microscope (from the μικρός, mikrós, "small" and σκοπεῖν, skopeîn, "to look" or "see") is an instrument used to see objects that are too small to be seen by the naked eye.
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Mirror
A mirror is an object that reflects light in such a way that, for incident light in some range of wavelengths, the reflected light preserves many or most of the detailed physical characteristics of the original light, called specular reflection.
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Movie projector
A movie projector is an opto-mechanical device for displaying motion picture film by projecting it onto a screen.
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Numerical aperture
In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes the range of angles over which the system can accept or emit light.
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Oil immersion
In light microscopy, oil immersion is a technique used to increase the resolving power of a microscope.
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Optical aberration
Aberration in optics refers to a defect in a lens such that light is not focused to a point, but is spread out over some region of space, and hence an image formed by a lens with aberration is blurred or distorted, with the nature of the distortion depending on the type of aberration.
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Optical engineering
Optical engineering is the field of study that focuses on applications of optics.
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Primary mirror
A primary mirror (or primary) is the principal light-gathering surface (the objective) of a reflecting telescope.
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Projector
Acer projector, 2012 A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen.
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Ray (optics)
In optics a ray is an idealized model of light, obtained by choosing a line that is perpendicular to the wavefronts of the actual light, and that points in the direction of energy flow.
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Real image
In optics, a real image is an image which is located in the plane of convergence for the light rays that originate from a given object.
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Reflecting telescope
A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image.
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Refracting telescope
A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a dioptric telescope).
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Slide projector
A slide projector is an opto-mechanical device for showing photographic slides.
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Telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
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W. M. Keck Observatory
The W. M. Keck Observatory is a two-telescope astronomical observatory at an elevation of 4,145 meters (13,600 ft) near the summit of Mauna Kea in the U.S. state of Hawaii.
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References
[1] https://en.wikipedia.org/wiki/Objective_(optics)
