Insta-Wide: Semi-Fisheye Ultra-Wideangle Lens 0.3X with universal sized(27-37mm thread) mount packed in display box Magnification : Nominal 0.3X(Actual 0.3X/diagonal) Size/Weight : 50mm x 13mm/40gr *Limited in use at maximum wideangle setting *It does not focus in infinity focus setting *Set the camera in AUTO mode while the lens is attached