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Microscope Condensers -The Overlooked Optics

The two main optical components of the microscope which are adjusted and changed whilst in use are the objectives and the eyepieces. However, the other optical component which is sometimes overlooked, especially by beginners unaware of Koehler Illumination, is the …

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Koehler Illumination: A History and Practical Set Up

The method of Koehler Illumination is named after its’ inventor- August Koehler (1866-1948). When he published this technique in 1893, many of the sources of illumination for microscopy were reliant on natural light using mirrors, or chemical or gas lights. …

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