The Schneider Xenotar 150 mm f/2.8 lens is a rare lens. The Xenotar 150 mm f/2.8 is a product from Schneider Optics, subsidiary of Germany-based Schneider-Kreuznach. This Schneider Xenotar lens is used in cameras with film technology. The Schneider Xenotar 150 mm f/2.8 lens has a maximum aperture of f/2.8. The Xenotar 150 mm f/2.8 should be used with a large format camera. The Schneider Xenotar lens is a standard type of lens and it weighs nearly 2 lbs with shutter. The Schneider Xenotar 150 mm f/2.8 lens has a focal length of 150 mm and includes five lens elements in four groups.