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Criticalillumination

Koehler illumination was developed by August Köhler (1866-1948). This illumination principle greatly enhances the quality of the microscopic images (especially photographs). The illumination principle offers the following advantages:

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Nonimaging optics

Item Dimensions: 28.00 x 25.00 x 19.00 inches (H x W x D)

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科勒照明

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Koehler illumination ensures that the specimen receives a bright uniform light. Only those areas actually seen are illuminated.A uniform, bright light source of the correct color is very important for obtaining high quality microscopic images. One problem is that the lamp is not able to produce a uniform light, because the filament of the lamp is brighter than its surrounding. One solution is to place a frosted glass plate above the light source as a diffuser. This reduces the light intensity and changes the color of the light, however.

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