Graticules Optics was the first company to introduce referenced graticules for light microscopy and the first to make finder grids for the electron microscopist. Location of points of interest in a specimen and quick relocation is of vital importance in many investigations and with the high magnifications used in transmission electron microscopy this can be very tedious. Finder grids have been designed to assist in this task and there are today many types to choose from. We list those that have proved to be most popular.
