This Mamiya Sekor E lens is a great addition to your camera gear. With a maximum aperture of f/3.5, it allows for beautiful bokeh and low-light shots. The lens is manual focus and has a focal length of 28mm, making it perfect for portraits or landscapes. The Mamiya 35mm bayonet mount makes it easy to attach to your camera and the compatible filter size of 49mm allows for even more versatility in your shots. This lens is part of the Mamiya Sekor series and is a standard type, perfect for any photography enthusiast.