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Scientific instrument using light waves for image viewing
An optical instrument is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic
Optical_instrument
Optical instrument to verify horizontal points
A level is an optical instrument used to establish or verify points in the same horizontal plane in a process known as levelling. It is used in conjunction
Level_(optical_instrument)
Chinese optical lens manufacturer
Yuyao City Second Optical Instrument Factory Zhejiang University Optical Instrument Faculty Yuayo Optoelectronic Instrument Factory (Chinese: 余姚市第二光学仪器厂浙江大学光仪系余姚光电仪器厂)
Sunny_Optical
Optical system with resolution performance at the instrument's theoretical limit
optical instrument or system—a microscope, telescope, or camera—has a principal limit to its resolution due to the physics of diffraction. An optical
Diffraction-limited_system
Deviation from perfect paraxial optical behavior
will produce an image which is not sharp. Makers of optical instruments need to correct optical systems to compensate for aberration. Aberration can
Optical_aberration
Optical surveying instrument
A theodolite (/θiˈɒdəˌlaɪt/) is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes
Theodolite
Novosibirsk Instrument-Building Plant (NPZ; Russian: Новосибирский приборостроительный завод, НПЗ) is an optical instruments company based in Novosibirsk
Novosibirsk Instrument-Building Plant
Novosibirsk_Instrument-Building_Plant
Ophthalmic instrument mainly used by optometrists and opticians
lensometer (sometimes even known as focimeter or vertometer) is an optical instrument used in ophthalmology. It is mainly used by optometrists and opticians
Lensmeter
A vortex coronagraph is a type of optical instrument for telescopes that blocks the glare of stars or other bright objects so that dimmer, nearby objects
Vortex_coronagraph
Process of enlarging the apparent size of something
of the image does not change the perspective of the image. Some optical instruments provide visual aid by magnifying small or distant subjects. A magnifying
Magnification
Optical instrument to view patterns due to repeated reflection
A kaleidoscope (/kəˈlaɪdəskoʊp/) is an optical instrument with two or more reflecting surfaces (or mirrors) tilted to each other at an angle, so that one
Kaleidoscope
Adjustable mounting plate between a surveying instrument and its tripod
mechanism which enables a survey instrument or target to be accurately placed on the tribrach and locked in place. The optical plummet has either a bullseye
Tribrach_(instrument)
Type of optical instrument
A viewing instrument is a type of optical instrument that is used to assist viewing or visually examining an object or scenery. binoculars contact lenses
List_of_viewing_instruments
Topics referred to by the same term
(synthesizer), a DSP-based synthesizer by Creamware Endoscope, an optical instrument (borescope) used to perform medical visual inspection (endoscopy)
Scope
Optical instrument for non-contact measurement of angles
is an optical instrument for non-contact measurement of angles. They are typically used to align components and measure deflections in optical or mechanical
Autocollimator
An optical mount is a device used to join a normal camera and another optical instrument, such as a microscope or telescope. The optical mount is generally
Optical_mount
Device used to measure power in an optical signal
readings. Optical power meters are available as stand-alone bench or handheld instruments or combined with other test functions such as an Optical Light Source
Optical_power_meter
Pair of telescopes mounted side-by-side
Binoculars or field glasses is an optical instrument made of a pair of identical refracting telescopes mounted side-by-side towards the same direction
Binoculars
Human vision, unaided by optical instruments
engaging in visual perception unaided by a magnifying, light-collecting optical instrument, such as a telescope or microscope, or eye protection. In astronomy
Naked_eye
Optical instrument used to measure optical densities in the microscopic domain
A microdensitometer is an optical instrument used to measure optical densities in the microscopic domain. A well-known microdensitometer, used in the photographic
Microdensitometer
Optical instrument
(occasionally called a boroscope, though this spelling is nonstandard) is an optical instrument designed to assist visual inspection of narrow, difficult-to-reach
Borescope
Use of knowledge for practical goals
the digital transition. Information technology, particularly optical fiber and optical amplifiers, allowed for simple and fast long-distance communication
Technology
Device or tool used for scientific purposes
Science Whipple Museum of the History of Science Paul Bunge Prize Optical instrument Electronic test equipment Instrumentation Instrumentalism, a philosophic
Scientific_instrument
American optician and businessman
German-American maker of optical instruments who co-founded Bausch & Lomb (with Henry Lomb). Over six decades he transformed his small, local optical shop into a large-scale
John_Jacob_Bausch
Optical instrument used by artists
A perspective machine is an optical instrument designed to help artists create perspective drawings. The earliest machines were built centuries ago when
Perspective_machine
Most advanced technology available
device Electromagnet Laser Optical disc Lens Eyeglasses Magnetic storage Microwave oven Mirror Optical fiber Optical instrument Microscope Telescope Particle
High_tech
Medical condition
Instrument myopia is the tendency of a person with normal eyes to focus them too close when looking into an optical instrument at its image. Optical instruments
Instrument_myopia
Mobile equipment that transports people, animals or cargo
device Electromagnet Laser Optical disc Lens Eyeglasses Magnetic storage Microwave oven Mirror Optical fiber Optical instrument Microscope Telescope Particle
Vehicle
Topics referred to by the same term
properties Medical instrument, a device used to diagnose or treat diseases Optical instrument, relies on the properties of light Quantum instrument, a mathematical
Instrument
Soviet small arms telescopic sight
on other small arms. While it has been claimed[who?] that Soviet optical instrument makers attempted to create a 6× version of the telescopic sight, this
PU_scope
Electro-optical instrument used in surveying and building construction
A total station or total station theodolite is an electronic/optical instrument used for surveying and building construction. It is an electronic transit
Total_station
Reference point inserted in an image
subject, or a mark or set of marks in the reticle of an optical instrument. In high-resolution optical microscopy, fiducials can be used to actively stabilize
Fiducial_marker
Extent of the observable world seen at any given moment
observable world that is seen at any given moment. In the case of optical instruments or sensors, it is a solid angle through which a detector is sensitive
Field_of_view
Instrument that makes distant objects appear magnified
Originally, it was an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects – an optical telescope. Nowadays
Telescope
Object used to achieve a goal
developed in the 18th century by makers of clocks and watches and scientific instrument makers to enable them to batch-produce small mechanisms. Before the advent
Tool
French political theorist (1743–1793)
entrusted some of his personal valuables, including a watch and an optical instrument, to him. In a letter to Breguet dated 20 May 1790, Marat complained
Jean-Paul_Marat
Optical instrument
of an optical instrument (such as a telescope, a microscope, or binoculars) is the distance from the last surface of an eyepiece on the optical axis at
Eye_relief
Art and practice of creating images by recording light
ISBN 978-0-907628-79-8 Wade, Nicholas J.; Finger, Stanley (2001). "The eye as an optical instrument: from camera obscura to Helmholtz's perspective". Perception. 30 (10):
Photography
Branch of physics that studies light
as far back as 984 AD and have been used in the design of optical components and instruments from then until the present day. They can be summarised as
Optics
Manufacturer of telescopic sights
leaving the company worked his way up to Division President of the optical instrument division of Leitz. Fixed-power, external mount adjusted Target Scopes
Unertl_Optical_Company
Visual aiming device
aiming) of weapons, surveying instruments, aircraft equipment, optical illumination equipment or larger optical instruments with the intended target. Sights
Sight_(device)
Powered mechanical device
developed in the Muslim world. A music sequencer, a programmable musical instrument, was the earliest type of programmable machine. The first music sequencer
Machine
Measurement method using interference of waves
ozone and carbon monoxide above the instrument. Newton (test plate) interferometry is frequently used in the optical industry for testing the quality of
Interferometry
Type of reflection prism
its inventor Ignazio Porro, is a type of reflection prism used in optical instruments to alter the orientation of an image. It consists of a block of material
Porro_prism
European methane monitoring satellite
satellite will perform in-orbit validation of a short-wave infrared optical instrument coupled with a liquid crystal polarimeter for point-source methane
TALISMAN_(satellite)
Austrian company
rhinestone, watches and accessories; Swarovski Optik, which produces optical instruments such as telescopes, telescopic sights for rifles, and binoculars;
Swarovski
Collection of focus points made by converging light rays
the object and projects a real image within the structure of the optical instrument. A second lens or system of lenses, the eyepiece, then projects a
Real_image
Measure of a civilization's evolution
with a 10 m diameter mirror) and the VLBI optical telescope (for interferometric synthesis of ultraviolet, optical, and infrared images). For Samuil Aronovich
Kardashev_scale
Binocular optical instrument that reverses depth perception
A pseudoscope is a binocular optical instrument that reverses depth perception. It is used to study human stereoscopic perception. Objects viewed through
Pseudoscope
Protocols for safe use, design and implementation of laser technology
in combination with optical instruments which change the beam diameter or power density, though even without optical instrument enhancement, direct contact
Laser_safety
Optical instrument
A stanhope or stanho-scope is an optical device that enables the viewing of microphotographs without using a microscope. They were invented by René Dagron
Stanhope_(optical_bijou)
A stauroscope is an optical instrument used in determining the position of the planes of light-vibration in sections of crystals. The word comes from Greek
Stauroscope
Electronic circuit formed on a small, flat piece of semiconductor material
automobile airbags. Since the early 2000s, the integration of optical functionality (optical computing) into silicon chips has been actively pursued in both
Integrated_circuit
British painter and inventor (1781–1873)
1873) was a British painter, mostly in watercolour, printmaker and optical instrument-maker. He invented the graphic telescope and the graphic microscope
Cornelius_Varley
Astronomical telescope at Roque de los Muchachos Observatory
instrument is intended to be mounted permanently at the Cassegrain focus, providing imaging and spectroscopic capabilities both in the full optical and
Nordic_Optical_Telescope
General term for activities in connection with corporate or governmental innovation
Instrumentation Clocks and watches GPS devices Scientific instruments Medical imaging systems Optical instruments Cameras Gun and spotting scopes Laser construction
Research_and_development
Medical condition
induce an experience of extreme tunnel vision due to the design of the optical components. A wide field microscope or telescope generally requires much
Tunnel_vision
resolution limit is an estimate of the angular resolution limit of an optical instrument. When a star is observed with a telescope, the light is diffracted
Sparrow's_resolution_limit
second-surface mirrors can be made. They are required in most optical instruments. Most optical materials are rigid solids, but flexible and elastic materials
Optical_material
Scientific instrument for observing small objects
instrument uses to interact with a sample and produce images, either by sending a beam of light or electrons through or onto a sample in its optical path
Microscope
Difference in apparent position with viewing angle
observation points) of the formed triangles. Parallax also affects optical instruments such as rifle scopes, binoculars, microscopes, and twin-lens reflex
Parallax
Topics referred to by the same term
to: Level (optical instrument), a device used to measure true horizontal or relative heights Spirit level or bubble level, an instrument designed to
Level
Prefecture-level city in Guizhou, China
historically known for aluminum production, phosphate mining, and optical instrument manufacturing. Following economic reforms, the service sector now
Guiyang
Optical illusion
is an optical illusion which can occur with optical instruments used visually, in particular binoculars or telescopes. If such an instrument is rectilinear
Globe_effect
Hydraulic binder used in the composition of mortar and concrete
device Electromagnet Laser Optical disc Lens Eyeglasses Magnetic storage Microwave oven Mirror Optical fiber Optical instrument Microscope Telescope Particle
Cement
Devices for observing, measuring or recording astronomical data
measuring instrument used primarily in navigation; type of reflecting instrument Optical spectrometer, also known as Spectrograph: instrument to measure
List of astronomical instruments
List_of_astronomical_instruments
92781; 11.579275 Optical Museum Jena The Deutsches Optisches Museum Jena is a science and technology museum displaying optical instruments from eight centuries
Optical_Museum_Jena
Spanish Earth imaging satellite
(370 mi) of swath, operating in green, red and near infrared spectra. These optical satellite images open new perspectives to users of this satellite for the
Deimos-1
German optician and optical instrument maker
makers to reshape most aspects of optical instrument production. His collaboration with Ernst Abbe revolutionized optical theory and practical design of
Carl_Zeiss
Paradigm of quantum computer
uses photons as information carriers, mainly uses linear optical elements, or optical instruments (including reciprocal mirrors and waveplates) to process
Linear optical quantum computing
Linear_optical_quantum_computing
OSIRIS (Optical Spectrograph and InfraRed Imager System) is an instrument that measures vertical profiles of spectrally dispersed, limb scattered sunlight
Odin-OSIRIS
Instrument for measuring optical rotation
scientific instrument used to measure optical rotation: the angle of rotation caused by passing linearly polarized light through an optically active substance
Polarimeter
First photographic portrait objective lens
Petzval, whereupon it became known throughout Europe. Later, the optical instruments maker Carl Dietzler in Vienna also produced the Petzval lens. The
Petzval_lens
Veiling glare is an imperfection of performance in optical instruments (such as cameras and telescopes) arising from incoming light that strays from the
Veiling_glare
British scientific and optical instrument manufacturer
(active 1850 – c. 1985) was a company that produced scientific and optical instruments and also operated a photographic studio based in London. Henry Negretti
Negretti_and_Zambra
Company that fabricates parts used in another company's products
was also a consequence of the gradual obsolescence and phasing out of optical media from 2010 onward. System builders also have a different requirement
Original equipment manufacturer
Original_equipment_manufacturer
Seiler Instrument & Mfg. Co. is a manufacturer specializing in optical fire control equipment as well as a major distributor of surveying software and
Seiler_Instrument_&_Mfg._Co.
English inventor (1731–1820)
Dollond (2 February 1731 – 2 July 1820) was an English inventor of optical instruments. He was the son of optician John Dollond. He is known for his successful
Peter_Dollond
Light, semi-transparent mirror
ultra-lightweight semi-transparent mirror employed in the light path of an optical instrument, splitting the light beam into two separate beams, both of reduced
Pellicle_mirror
Filters which selectively transmit specific colors
as well as absorptive filters), in many optical instruments, and to colour stage lighting. In astronomy optical filters are used to restrict light passed
Optical_filter
Cleaning service provided for commercial buildings and establishments
Instrumentation Clocks and watches GPS devices Scientific instruments Medical imaging systems Optical instruments Cameras Gun and spotting scopes Laser construction
Commercial_cleaning
French photographer and inventor (1817–1886)
French instrument maker, inventor, and pioneering photographer. He was known in his time, and is remembered today, for the high quality of his optical instruments
Jules_Duboscq
Process of controlling orientation of an aerospace vehicle
particles instruments, as well as some optical scanning instruments, but they may require complicated systems to de-spin antennas or optical instruments that
Spacecraft attitude determination and control
Spacecraft_attitude_determination_and_control
Effect of a hole in a camera causing excess diffusion of light and overexposure
A light leak is a hole or gap in the body of a camera, or other optical instrument, where light is able to "leak" into the normally light-tight chamber
Light_leak
German-American inventor
(1834–1908) was a German-American inventor specialising in the design of optical instruments. Gundlach was born in Pyritz, East Prussia. At the age of 15, he
Ernst_Gundlach
Scientific Electronic Device
A nuller is an optical instrument, e.g., a beam combiner for nulling interferometry, used to block or cancel out a strong source so that fainter signals
Nuller
The disappearing-filament pyrometer is an optical pyrometer, in which the temperature of a glowing incandescent object is measured by comparing it to
Disappearing-filament pyrometer
Disappearing-filament_pyrometer
manufacturer of precision optical instruments and systems for measuring and characterizing spectra. McPherson instruments measure intensity vs. frequency
McPherson_Inc
Eyewear that inverts the wearer's view
goggles, also known as "invertoscopes" by Russian researchers, are optical instruments that invert the image received by the retinas upside down. They are
Upside_down_goggles
Optical ranging devices
either end of the instrument. At either side the incident beam is reflected to the center of the optical bar by a pentaprism. The optical bar is ideally
Coincidence_rangefinder
Optoelectronic instrument
An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. It is the optical equivalent of an
Optical time-domain reflectometer
Optical_time-domain_reflectometer
Full-body garments worn to control contamination in cleanrooms
creating sterile products for the medical device, biopharmaceutical and optical instrument industries. The suit covers the wearer to prevent skin and hair being
Cleanroom_suit
electronic optical instrument created by the Russian Futurist painter Vladimir Baranoff Rossiné. Vladimir Baranoff Rossiné started working on the instrument in
Optophonic_Piano
Japanese optics company and brand owned by Ricoh
II, Asahi Optical devoted much of its time to fulfilling military contracts for optical instruments. At the end of the war, Asahi Optical was disbanded
Pentax
Dutch physicist (1897-1985)
physicist from Middelburg known for her designs and the manufacturing of optical instruments. She would emerge as one of the first women in the Netherlands to
Lili_Bleeker
The vertical circle is an optical instrument used to measure angles in astronomy, which name is derived from the mathematical concept of the vertical circle
Vertical_circle_(instrument)
Noise in digital sensors
fixed-pattern noise related to digital image sensors, as used in cameras and optical instruments. Both CCD and CMOS sensors are two-dimensional arrays of photosensitive
Photo_response_non-uniformity
Instrument to measure the properties of visible light
An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion
Optical_spectrometer
Instrument to measuare radius of curvature
spherometer is an instrument used for the precise measurement of the radius of curvature of a curved surface. Originally, these instruments were primarily
Spherometer
Light all pointing in the same direction
all the optical elements in an instrument being on their designed optical axis. It also refers to the process of adjusting an optical instrument so that
Collimated_beam
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