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Electron Microscopy Sciences USAF Test Chart PS75N Negative Image

Supplier: Electron Microscopy Sciences 6809806
Metal foil version of the USAF test chart has clear, negative, high contrast patterns in groups -2 to 4. Absence of a glass support substrate removes the problems of masking infrared regions.
Type: Negative Image
Use: Groups 2/1 to 9/3
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