Components of appliances, namely, lenses, integrated lens stacks and lens modules consisting of a single lens or a lens assembly and comprising at least one lens and one element acting as spacer and/or lens mount for imaging, laser processing, laser marking and laser ablating, scanning and leveling, and for the use in optical apparatus and instruments including camera phones, camcorders, cameras for application in vehicles, digital cameras, barcode reading appliances, security and surveillanc...