Modulation transfer function (MTF) testers, namely, sensors, for measuring the image quality of mobile phone lenses; modulation transfer function (MTF) testers, namely, sensors for measuring the image quality and image resolution of camera modules which are each comprised of imaging optics, a charge coupled device (CCD) sensor or a complimentary metal-oxide semiconductor (CMOS) sensor; wavefront testers, namely, optical wavefront sensors for measuring the wavefront of optical lenses; modulati...

OPTICAL MEASURING AND TESTING APPARATUS, NAMELY AUTOCOLLIMATORS, COLLIMATORS, SPHEROMETERS, LENSOMETERS, DIOPTOMETERS, GONIOMETERS, PRISM MASTERS, TESTING TELESCOPES, INTERFEROMETERS, WAVEFRONT SENSORS, ALIGNMENT TELESCOPES, FOCOMETERS, CENTERING AND CEMENTING STATIONS, DEFLECTOMETERS; OPTOELECTRONIC MEASURING INSTRUMENTS, NAMELY, MTF-INSTRUMENTS, PC-CONTROLLED OPTICAL MEASURING STATIONS, ELECTRONIC AUTOCOLLIMATORS, SPECTROMETERS, IMAGE ANALYSERS, SURFACE ANALYSERS, PRECISION MECHANICAL AND O...