Lamps, or as the vernacular likes to say: light bulbs, are still an important product in the LED age. Due to their standardized bases, they can be replaced easily and quickly. Whether in conventional technology or as LED retrofit lamp, which serves as a replacement for lamps in conventional technology: the variety of forms is as large as the possible applications. Our range includes far more than 10,000 different lamps, from small to large, from very low to extremely high light output. It is hard to grasp the variety that has developed over the decades.