The Ushio QR85-200SGF 3 Lamp BG4 is a high-quality Mercury Lamp Bulb made in Japan by the reputable brand Ushio. With a power output of 200W, this lamp is compatible with universal projectors and specifically designed for Nikon cameras. It is ideal for film photography and slide & movie projection, providing bright and clear images with exceptional color accuracy. This product is a reliable choice for professionals and enthusiasts in the photography and film industry looking to enhance their equipment with a high-performance lamp bulb.