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Gentec Electro-Optics Inc   - Measure With Gentec Accuracy LB

High-Tech ’Vision’ Test

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Kevin Urben

Modulation transfer function is the predominant measure of the performance of image-forming lenses and systems. It can be measured objectively and calculated from lens design data, enabling manufacturers to compare the quality of lenseswith design expectations and to detect errors in production. It can characterize not only traditional lenses, but also photonic systems such as video cameras, image intensifiers and film scanners. The image that a lens forms always differs from the original object. In general, there is a loss of detail, a blurring or smoothing of the original scene. This...Read full article

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    Published: August 2000
    FeatureslensesOptics

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