Feature: 
The ring adapter easily screws onto the Hasselblad lens with Bay(bayonet) 50 lens filter mount and converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters).

Specification: 
The Bayonet to camera lens: 50 
The female thread to filter: 62mm/67mm 
Made of high quality anodized black aluminum (metal). 
Color: Black. 

Compatible with:
Filters, lenses, adapters, lens hood, etc. 

Package Include: 
1pcs x Pixco B50 Metal Filter Adapter Ring For Hasselblad