The Vivitar camera Series 55mm set of 4 close up lenses +1, +2, +4, Macro10X is a high-quality lens set designed for macro/close-up photography. With a maximum aperture of f/1 and manual focus capability, these lenses are perfect for capturing stunning details and close-up shots. The screw mount design allows for easy installation on your camera, while the focal length of 55mm ensures a versatile shooting experience. Compatible with 55mm filter sizes, this Vivitar series 1 lens set is a must-have for photographers looking to explore the world of macro photography.