The Bower VLB3837B .38x Digital Super Fisheye Wide Angle Lens is a lens designed for digital cameras with a 37mm thread mount. It features a fixed focal length, making it ideal for capturing wide-angle shots with a unique fisheye effect. The lens also includes a macro function, allowing for close-up photography with added creativity and distortion. Perfect for those looking to add a creative and unique touch to their photography with a wide-angle fisheye perspective.