Resolution Plate Reticle for image quality control of the minicamera and cell phone camera use
Changhui-EO can process and produce not only the pivotal inspecting and testing resolution plates for optical bench and collimator, but also the resolution plate which meets ZB N35003-89 and WT1005-62 standard plate, radial resolution plate, asterism resolution plate for image evaluation, Polo board for focal length testing, etc. The minimum line width and the micro-length resolution plate is also known as the Chart Plate, which is a geometry resolution standard plate by testing camera short focal length lens. It is widely used to the image quality control of the minicamera and cell camera. Based on the large demand for image evaluation of digital camera objective lenses and CCD lenses, Changhui-EO has successively developed micro-length resolution plate series. There are various kinds of standard resolution plates from linch to1/7 inch according to different technical requirements of the camera objective lens, which have been adopted by many related com- panies. The maximum resolution is up to300LP/mm.
In order to meet different customers' requirements, Changhui-EO designs an universal standard resolution plate, image contrast is 100:1, face reflectivity R<5%, stripes error<5%.
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