D&F 170 Degree Professional Wide Angle Camera DV Lens for Gopro HD Hero 3 2 1, SJCAM SJ4000, HS1199 Action Camera Whorl M12, Width: 17.48mm , Color : Black Angle Professional and high-definition,170 degree field of view Shoot It provides optimal light and image effect with minimum distortion Dimensions 2.2 x 1.8 cm (L x Dia.),Weight: 9.45 oz / 37 g Fits for Gopro Hero 3 /2 /1,SJCAM SJ4000 SJ5000 Series, HS1177 FPV Sport Camera (Note: NOT Fit for GoPro Hero 3+/4/5)