This step up ring Adapter easily screws onto the front of any lens with 37mm filter diameter, and converts the thread size of your Lens to the thread size of any other 46mm accessory
The male side: 37mm
The female side: 46mm
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.
Suitable for a wider variety of filters, adapters, Hoods and more.