Gsm : mobile accessory - zoom LENS(Model No. 608)

specification - 

1.new universal clamp suitable for all smartphones use.

2.Magnification : 12x

3. angle of view : 16⁰ 

4.exit pupil :  ÃŽ¦ 3mm

5.eye relief : 9.8mm

6.objective lens diameter :Φ21mm