Made of high quality anodized aluminum and polished with strict surface treatment to avoid wobbling or cross-threading, combined with a slim design makes this ring durable and functional.
The Female Side: 67mm
Easily screws onto the front of any Lens with 52mm Filter Diameter, and converts the thread size of your lens to the thread size of any other 67mm accessory
The Male Aspect: 52mm
Suitable for a wider variaty of Filters, Adapters, Hoods and more.