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PI Physik Instrumente - Semiconductor Applications 5/24 ROS LB
magnification Dictionary Terms

chromatic difference of magnification
 stereomicroscope
Wide-field, low-magnification device that consists of two compound microscopes focused on a single object, producing an...
microscope
An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the...
contour projector
An inspection device in which the profile of a mechanical part is projected onto a ground-glass screen at a precisely known...
stereomicroscopy
The use of a specialized optical microscope designed to provide a more three-dimensional view of a sample. Stereomicroscopy...
high-voltage electron microscope
An imaging device whose technology contributes three specific advantages: ability to study large solid specimens that...
virtual histology
Virtual histology refers to the use of digital technology and computational methods to simulate or recreate histological...
scanning electron microscopy
Scanning electron microscopy (SEM) is an advanced imaging technique used in microscopy to obtain high-resolution,...
radial distortion
An alteration in magnification from the center of the field to any point in the field, measured in a radial direction from...
Abbe-Porro prism
A reflecting prism that inverts the image. The image is reflected four times internally and emitted laterally. The prism is...
nodal testing
The measurement of first- and higher order properties of a lens and its formed image, including effective focal length, back...
wide-field fluorescence microscopy
Wide-field fluorescence microscopy uses either naturally occurring structures or staining with fluorescent tags that are...
macrophotography
the photography of very close, and typically small objects with a magnification of approximately 1:1
brightfield
Brightfield refers to a type of microscopy and imaging technique in which the specimen is illuminated with a white light...
machine vision system
A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...
split-image microscope
A mask-alignment microscope used to produce and inspect microcircuits in the electronics industry. It provides flat-field,...
focal length
The focal length of a lens is the distance between the lens's optical center (or principal point) and the image sensor or...
telephoto magnification
microradiography
Radiographic recording and enhancement of the micoscopic details within the structure of thin specimens at a high...
gas magnification
The increase in current of a phototube as a result of the gas in the tube becoming ionized.
optical dynameter
A small low-power microscope or magnifier with a scale that is used to measure the exit pupil diameter and eye relief on...
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
machine vision lens
A machine vision lens is a specialized optical lens designed for use in machine vision systems, which are used for automated...
microscopy
Microscopy is a scientific technique that involves the use of microscopes to observe and study objects that are too small to...
image jump
In optics, the term image jump refers to a displacement or shift in the apparent position of an image when a change occurs...
longitudinal magnification
magnification
The ratio of the size of the image of an object to that of the object. The ratio of the linear size of the image to that of...
anamorphic
A term used to denote a difference in magnification along mutually perpendicular meridians. Anamorphic systems are basically...
stage micrometer
In microscopy, a calibrated scale on a slide that may be viewed to determine the exact magnification factor of the...
holographic microscopy
The holographic recording of a microscopic specimen whereby magnification is achieved by alteration in a wavelength or...
lateral magnification
 astronomical telescope
An astronomical telescope is a type of optical instrument designed to gather and magnify light from distant celestial...
auxiliary telescope
A low-power telescope placed at the eyepiece of an optical system to increase overall magnification. Most often used to...
whole slide imaging
Whole slide imaging (WSI), also known as virtual slide microscopy or digital pathology, is a technology that involves the...
Abbe prism
A form of roof prism used to invert an image. The prism has faces cut normal to the optical axis; therefore, the prism may...
telephoto power
The ratio between the focal length of a lens having a longer focal length than that of the standard lens used with a camera,...
cathode-ray tube lens
A high-quality, narrow-angle lens of high aperture designed for low magnification in the recording of cathode-ray tube...
nodal bench
A bench with instrumentation including a collimator, a microscope, positioners and a nodal slide used to rotate a lens about...
anamorphic distortion
A type of distortion in which the magnification varies in different orientations, the directions of maximum and minimum...
distance of distinct vision
The near-point distance of the normal eye. The value of 10 in. or 25 cm is normal. This value is used in evaluating the...
error function
A single number, defined by the computer program or the user that expresses the performance of an optical system. Also known...
otoscope
An otoscope is a medical device used by healthcare professionals, particularly ear, nose, and throat (ENT) specialists,...
scanning electron microscope
A scanning electron microscope (SEM) is a powerful imaging instrument used in scientific research, materials...
absolute magnification
The value of the distance of distinct vision, minimum focusing distance or near point, divided by the focal length of the...
empty magnification
Magnification that is above the level of maximum useful magnification and does not contribute useful resolving power. In a...
perspective distortion
The distortion that is the result of viewing a print from a point other than the center of perspective. The center of...
point-projection x-ray microscopy
A method of producing magnified images by x-rays. The specimen is placed close to a point source of x-rays; the...
angular magnification
electron microscope
A device utilizing an electron beam for the observation and recording of submicroscopic samples with the aid of photographic...
coma
A lens aberration, resulting from different magnifications in the various lens zones, that occurs in that part of the image...
Seidel aberrations
Seidel aberrations refer to a set of monochromatic aberrations in optical systems, named after the German mathematician and...
magnifying power
The ability of an optical system to make an object appear larger. An optical element or optical system causing an object to...
macro lens
A camera lens, used in macrophotography, that is designed and corrected to produce optimum definition of a nearby object...
minimum object distance
Minimum object distance, often abbreviated as MOD, refers to the closest distance at which a camera lens or optical system...
panoramic distortion
The image distortion produced by a panoramic camera with a swinging lens or a swinging mirror in front of a fixed lens. The...
fluorographic lens
A lens having an extremely high aperture and used in the recording of x-ray fluorescent screen images. It often is specially...
concave and convex spherical mirror
Concave and convex spherical mirrors are types of curved mirrors that have surfaces shaped like segments of spheres. These...
anamorphic system
An optical system with different focal lengths or magnification levels in perpendicular planes to the optical axis.
telescope
An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant...
microscope objective
The lens located at the object end of a microscope tube. A wide range of objectives is available, including simple...
tangential distortion
Optical aberration such that image magnification varies with ray distance from the optical axis in a radial distortion.
copying camera
A camera mounted on an optical bench with an easel to hold the material to be copied. Magnification can be varied over a...
microfilm camera
A camera used to reduce originals onto film for easy storage. There are two basic types: one in which the film is fixed...
virtual base
The product of the actual base or baseline of a rangefinder or heightfinder, and the power or magnification of the...

(64 results found)

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