Specifications: 37mm rear thread mount 0.45x super wide lens 2 elements in 2 groups High speed auto-focus/infrared compatible Built-in macro lens for extreme close-up shots Enhanced optical resolution Fully multi-coated, every element Indestructible titanium barrel Color available: Silver and black Includes soft carrying pouch and dust cap For digital sill and video camera Suitable for all major brands of digital cameras including canon, nikon, minolta, pentax, Sony, olympus kodak etc 15 years warranty