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Application:
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Your choices are...
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Biological / Life Science
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Microscopes used for biological or life sciences inspections. These types of microscopes might include those that transmit light or environmental scanning electron microscopes (SEM).
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Gemological
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Microscope used for gemological inspection. These microscopes often use polarized light with lower magnifying powers to allow for brighter, sharper images combined with a wide field of view.
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Measuring / Toolmaker
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Microscopes used by toolmakers for measuring properties of tools. These microscopes are often used for dimensional measurement with lower magnifying powers to allow for brighter, sharper images combined with a wide field of view.
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Medical / Forensic
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Microscopes used for medical or forensic inspection purposes. These microscopes are often hands-free, binocular microscopes with lower magnifying powers to allow for brighter, sharper images combined with a wide field of view.
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Metallurgical
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Microscope used for metallurgical inspection. Often metallurgical microscopes are inverted for viewing the bottom of a sample with lower magnifying powers to allow for brighter, sharper images combined with a wide field of view.
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Semiconductor Inspection
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Microscopes used to study the layers in a semiconductor wafer or fabricated IC component. This inspection calls for greater precision and throughput.
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Other
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Other unlisted, specialized, or proprietary application.
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Grade:
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Your choices are...
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Student
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Student microscopes are the smallest and least expensive type of microscope. They are capable of advanced techniques and documentation even though they are for student use. They are designed for bright field, dark field and phase contrast.
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Benchtop
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Benchtop microscopes are used in various industries such as textiles and animal husbandry. Benchtop microscopes can perform many techniques, but can only perform a few techniques at one time.
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Research
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Research microscopes are large, weighing in the range of 30Kg to 50 Kg. This mass is composed of complex optical, mechanical, and electronic systems. They may use multiple cameras, large specimens, and the widest range of simultaneous techniques. Many will have built-in computers to control the cameras and other functions including focus or image processing.
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Other
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Other unlisted, specialized, or proprietary microscope grade.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Microscope Type:
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Your choices are...
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Acoustic / Ultrasonic
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Acoustic and ultrasonic microscopes use sound waves to create images of the sample. These types of microscopes can be used to examine delimitations, cracks and other anomalies nondestructively.
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Microwave
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Microwave microscopes use electromagnetic radiation, which has a long wavelength (between 1 mm and 30 cm), to study specimens.
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Compound
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Compound microscopes use a single light path. They can either have a single eyepiece (monocular) or a dual eyepiece (binocular). Compound microscopes have low depth perception but high resolution and magnification. They are used for viewing very small specimens such as cells, pond life samples, and other microscopic life forms.
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Fluorescent / UV
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Fluorescent and UV microscopes use high-energy, short-wavelength light (usually ultraviolet) to excite electrons within certain molecules inside a specimen, causing those electrons to shift to higher orbits. When they fall back to their original energy levels, they emit lower-energy, longer-wavelength light (usually in the visible spectrum), which forms the image.
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Inverted
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An inverted microscope has the illumination system above the stage and the lens system below the stage. Inverted microscopes are better for looking through thick specimens, such as dishes of cultured cells, because the lenses can get closer to the bottom of the dish, where the cells grow. Inverted microscopes can also be used for flat polished metallurgical, ceramic, or optical samples.
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Laser / Confocal
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A confocal microscope or laser microscope uses a laser to light image one plane of a specimen at a time.
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Polarizing
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The polarized light microscope uses two polarizers, one on either side of the specimen, positioned perpendicular to each other so that only light that passes through the specimen reaches the eyepiece. Light is polarized in one plane as it passes through the first filter and reaches the specimen. Regularly spaced, patterned, or crystalline portions of the specimen rotate the light that passes through. Some of this rotated light passes through the second polarizing filter, so these regularly spaced areas show up bright against a black background.
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Portable Field
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A portable field microscope is designed for use outside of a laboratory setting. It may have a portable energy source, such as a battery, or it may use natural light for illumination. These microscopes are generally lightweight and handheld.
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Scanning Electron Microscope (SEM)
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Scanning electron microscopes (SEMs) form images by using a detector synchronized with a focused electron beam to scan the object. The intensity of the image-forming beam is proportional to the back scattered or secondary emission of the specimen where the probe strikes it. The magnification is controlled by the length or area scanned.
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Scanning Probe / Atomic Force (SPM / AFM)
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Scanning probe and atomic force (SPM / AFM) microscopes are used to study surface features by moving a sharp probe over the object's surface (e.g., the scanning tunneling microscope). Atomic force microscopes enable the user to image the topography of a sample, and to monitor simultaneously ultrasonic surface vibrations in the MHz range. For detection of the distribution of the ultrasonic vibration amplitude, a part of the position-sensing light beam reflected from the cantilever is directed to an external knife-edge detector.
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Stereomicroscope
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A stereomicroscope uses two different paths of light. This allows you to see a specimen in 3-D. Stereomicroscopes have high depth perception but low resolution and magnification. These microscopes are great for dissecting as well as for viewing fossils and insect specimens. The best models have a built-in light source and zoom capabilities.
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Transmission Electron Microscope (TEM)
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Transmission electron microscopes (TEM) pass image-forming rays through the specimen being observed. Contrast or diffracted beam images are used to analyze the sample.
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Other
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Other unlisted, specialized, or proprietary microscope type.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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