Jollystar Optics *7mm 0.*2x lens is a fisheye lens that attaches to the front of an existing lens, to be used with *6mm filter thread lenses or Series 7 adapter rings. It can also be used as a Macro lens, by unscrewing（拧下） the back element, and using that part on its own.
Specifications： Magnification 0 .*2x Rear Mount Diameter *7mm Front Diameter *2mm
