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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. 399
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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. 671
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Anatomy of the Microscope - Mechanical Tube Length
Themechanicaltubelengthofanopticalmicroscopeisdefinedasthedistancefromthenosepieceopening,wheretheobjectiveismounted,tothetopedgeoftheobservationtubeswheretheeyepieces(oculars)areinsrted.
2018-03-30 Pooher Inc. 377
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Microscope Objectives: Numerical Aperture and Resolution
The numerical aperture of a microscope objective is a measure of its ability to gather light and resolve fine specimen detail at a fixed object distance.
2018-03-29 Pooher Inc. 441
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Anatomy of the Microscope - Microscope Objectives
A majority of microscope manufacturers also offer a wide variety of objectives having unique configurations designed to perform specific functions not normally found on common laboratory microscopes.
2018-03-29 Pooher Inc. 321
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Microscope Objectives: Specifications and Identification
Microscope Objectives: Specifications and Identification
2018-03-28 Pooher Inc. 1224
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Microscope Objectives - Introduction
Microscope objectives are perhaps the most important components of an optical microscope because they are responsible for primary image formation and play a central role in determining the quality of images that the microscope is capable of producing.
2018-03-28 Pooher Inc. 1281
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Anatomy of a Microscope - Image Brightness
Regardless of the imaging mode utilized in optical microscopy, image brightness is governed by the light-gathering power of the objective, which is a function of numerical aperture.
2018-03-27 Pooher Inc. 238
