Ronchi Rulings (Cycles/in) - This is a specific type of target that consist of a straight line pattern, 50/50 bar-to-space ratio (duty cycle) centered on a 2” x 2” glass substrate.
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Ronchi Rulings (Cycles/mm) - This is a specific type of target that consist of a straight line pattern, 50/50 bar-to-space ratio (duty cycle) centered on a 2” x 2” glass substrate.
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Targets - Consist of groups of patterns, graduated in size from large to small in precise increments. These targets come in a variety of materials, sizes and patterns such as: line grid, dot array, Pima ISO, stage micrometer, IEEE, sayce, USAF 1951, sector star and microcopy.
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