【105mm Extended Focal Length】 Used on the main camera to take clear, detailed, and outstanding macro photos. It provides extra distance for shooting small, delicate and easily frightened subjects (such as insects). Make sure the distance between the lens and the subject is within 30-105mm. Being too close or too far away from the subject will cause the image to be out of focus and blurry 【For 17mm Thread Phone Cage/Phone Case/Phone Clamp】 The lens cannot be used directly and needs to be used with a 17mm thread phone cage/phone case/phone clamp (not included). Compatible with iPhone 15 Pro Max Plus 14 13 12 Mini XR X XS (please disable macro function); compatible with Samsung Galaxy S24 Ultra S23 S22 (please disable focus enhancement). Note: Not compatible with M-mount/T-mount 【Anti Reflective Multi Coated HD Optical Lens】 The premium high definition optical glass ensures your close up shots with high clarity. Crafted with multiple coated optical design of 6 elements in 6 groups for clear and stunning images 【Robust & Lightweight】 The black anodized aluminum alloy shell is robust, anti rust, and scratch resistant for excellent performance in long term. Note: Before use, please clean the main camera and additional cameras of your phone. Vignetting may occur depending on phone models. In this case, please tighten the lens or zoom the camera magnification to 1.1x or more 【Note】 Before use, please clean the main camera and additional cameras of your phone. The top lens has a spherical surface. To avoid scratching, do not install filters in front of it