Layers of material which work as filters, electrodes, transistors and the liquid crystal itself are deposited onto a thin glass plate to form a sandwich that is covered with another pane of glass.
The Leica red dot logo and the M9 lettering on the front have been omitted and replaced with the Leica name in classic script form engraved on the top plate, making the M9-P the quintessential unobtrusive tool.