Pyser Optics, About us: "Pyser Optics is the new trading name for Pyser SGI, which has a long and well-established history and reputation dating back to 1848. It remains committed to innovative product development to meet and exceed customer expectations for electro optical equipment, products and solutions. Since a change of ownership in 2015, the company has a new business strategy and is on a journey of change, investment and rapid growth."