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Basic Concepts in Digital Image Processing
Digital image processing enables virtually noise-free modification of an image in the form of a matrix of integers instead of the classical darkroom manipulations necessary for analog images and video signals.
2018-04-26 Pooher Inc. 831
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Transmitted Darkfield Illumination
Allofusarequitefamiliarwiththeappearanceandvisibilityofstarsonadarknight,thisdespitetheirenormousdistancesfromtheEarth.
2018-04-17 Pooher Inc. 288
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Anatomy of a Microscope - Substage Condensers
The substage condenser gathers light from the microscope light source and concentrates it in o a cone of light that illuminates the specimen with uniform intensity over the entire viewfield.
2018-04-12 Pooher Inc. 241
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Anatomy of a Microscope - Eyepieces
Eyepiecesworkincombinationwithmicroscopeobjectivestofurthermagnifytheintermediateimagesothatspecimendetailscanbeobserved.
2018-04-12 Pooher Inc. 364
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UIS2 Infinity Optical Systems
Inthesesystems,theimagedistanceissettoinfinity,andatube(ortelan)lensisstrategicallyplacedwithinthebodytubebetweentheobjectiveandtheeyepieces(oculars)toproducetheintermediateimage.
2018-04-12 Pooher Inc. 615
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Anatomy of a Microscope - Field Curvature
Curvature of field in optical microscopy is an aberration that is familiar to most experienced microscopists. This artifact is the natural result of using lenses that have curved surfaces.
2018-04-02 Pooher Inc. 404
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Anatomy of a Microscope - Optical Aberrations
Lens errors in modern optical microscopy are an unfortunate problem caused by artifacts arising from the interaction of light with glass lenses.
2018-04-02 Pooher Inc. 674
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Anatomy of the Microscope - Mechanical Tube Length
Themechanicaltubelengthofanopticalmicroscopeisdefinedasthedistancefromthenosepieceopening,wheretheobjectiveismounted,tothetopedgeoftheobservationtubeswheretheeyepieces(oculars)areinsrted.
2018-03-30 Pooher Inc. 380
