Look at this new 170 degree replaceable camera lens for Hero 1 2 3 SJ4000 Cameras. This camera lens is designed specifically for those people who has higher requirement in taking photos. It features 170 degree,which must bring you different and experiences,It makes your sight wider and the clearer. The replaceable will give you much more conveniences. With material and fine processing, the camera lens could fit for your camera perfectly and tough for long-term use,The lens is easy to install and use. Weight: 9.45 / 37 g Dimensions: 2.2 x 1.8 cm (L x Dia.) Model:ST-35 Material: Plastic, Metal Color: Black Wide-angle Degrees: 170 degree whorl: M12 Package Contents: 1 x Replaceable Camera Lens for Hero 1 2 3 SJ4000 Cameras Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.