Adapter M39 x1 Female To M42 X1 Male thread Camera Lens Adapter                           

Product Feature:

Female side - M39x1 screw thread

Male side - M42x1 screw thread

Heigth: - 4mm (not including thread)

Weight - 20 g

Material for metal,reliable performance.Durable.

If you need to customize other sizes adapter rings, please contact us!!