Lens body: national standard aluminum metal Lens volume: 25 * 48 * 25 Multiplication: 0.5 times Lens interface: M17 * 0.75 Angle: 100 Focusing distance: 10 -- 15mm Internal structure of lens: 5 pieces, 4 groups and 2 spacers Product use: With the development of tourism at home and abroad, photography enthusiasts now need some photography artifacts. This SLR camera's mini two in one -- wide wide-angle lens will add style to you. You can take photos of friends gathering and travel scenes without worry. Product function: middle and high-end two in one wide-angle lens function 1 shows the 110 shooting image, making the night scene of landscape characters more widely presented in the photos. Function 2 is mainly used for microbial shooting, zooming in details, higher magnification than the original phone, and better effect. With this lens, the effect may be exactly what you are looking for.