Topic: What is Zeiss Ultra Optimeter? Working Principle of Zeiss Ultra comparator, What is Graticule? Zeiss Ultra Optimeter is an optical comparator. A comparator is a precision instrument used to compare the Dimensions of given working component with the actual working standard.  There are different types of comparators are available. Optical Comparator uses optical means as the magnification system. Zeiss Ultra Optimeter uses The principle of […]