Overview: Magnification: 0.28x Unique magnetic attachment design Lens: 3 glass elements in 3 groups Minimium focus distance: 40mm Angle of view: 155° Eye relief: 3mm Aluminium housing Package 
 Includes:: 1x Lens,  1x Protective Back Case for iPhone 4,  1x Lens cap Diamensions: 25mm (Diameter)x 15 (Length) Weight: 11.4g Compatible with iPhone