Lens body: national standard aluminum metal Lens volume: 16 * 32 * 16 16 * 25 Multiplication: 0.6 times, 15 times, 0.22 times Lens interface: M17 * 0.75 Angle: 120 30 210 Focusing distance: 20mm - 1.0m Internal structure of lens: 4 pieces, 4 groups and 3 spacers Product use: With the development of tourism at home and abroad, photography enthusiasts now need some photography artifacts. The fans of this SLR camera Your three in one wide-angle, macro and fisheye will increase your style. You can take photos of friends gathering and travel scenes without worry. Product function: middle and high-end three in one wide-angle lens function 1: show 120 of the shooting image, so that the landscape and people's night scenes can be more widely presented in the photos. Function 2: It is mainly used to take photos of microorganisms, enlarge details, and achieve higher functional magnification and better effect than the original mobile phone. Function 3: Funny fish eye The ultra wide 210 solitary special effect lens, plus this three in one lens, may be exactly what you are looking for.