Description
Note: The diameter of the intake valve in the product is 8mm by default, if you need a 6mm intake valve, please leave us a message.
Features:
1.A device for mounting a focusing lens.
2.Aluminium material with black and red oxide coating.
3.Type A lens : D20mm, 50.8mm.
4.Type B lens: D20mm, 50.8/FL63.5mm.