42-58mm 58-42mm 42-58 58-42 mm Male to Male Double Lens Coupling Ring Adapter

Description:

Can be used in wide variety, for example, as macro reverse adapter ring - screw on your lens and you can attach another lens (in reverse) to your main lens. 

Features:

Made of metal (anodized Aluminium), not plastic

Colour: Black

Has two male threads

Brand new, newer used

Suitable for:

Filters, adapters, hoods, extension tubes, lenses etc.